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Finding the Fourth Proportional to 9,021.51, 13,532.27 and 5,921.13

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Solution

The fourth proportional to 9,021.51, 13,532.27 and 5,921.13 is: 8,881.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.51 : 13,532.27 = 5,921.13 : x
  2. Step 2: Convert to fraction form
    9,021.51/13,532.27 = 5,921.13/x
  3. Step 3: Cross multiply
    9,021.51x = 13,532.27 × 5,921.13
  4. Step 4: Simplify right side
    9,021.51x = 80,126,329.87
  5. Step 5: Solve for x
    x = 80,126,329.87/9,021.51
  6. Step 6: Final answer
    x = 8,881.70

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.