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Finding the Fourth Proportional to 9,360,484.20, 13,133,021.40 and 9,360,484.20

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Solution

The fourth proportional to 9,360,484.20, 13,133,021.40 and 9,360,484.20 is: 13,133,021.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,360,484.20 : 13,133,021.40 = 9,360,484.20 : x
  2. Step 2: Convert to fraction form
    9,360,484.20/13,133,021.40 = 9,360,484.20/x
  3. Step 3: Cross multiply
    9,360,484.20x = 13,133,021.40 × 9,360,484.20
  4. Step 4: Simplify right side
    9,360,484.20x = 122,931,439,312,961.88
  5. Step 5: Solve for x
    x = 122,931,439,312,961.88/9,360,484.20
  6. Step 6: Final answer
    x = 13,133,021.40

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.