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Finding the Fourth Proportional to 11,122,458.40, 15,533,650.40 and 11,122,458.40

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Solution

The fourth proportional to 11,122,458.40, 15,533,650.40 and 11,122,458.40 is: 15,533,650.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,122,458.40 : 15,533,650.40 = 11,122,458.40 : x
  2. Step 2: Convert to fraction form
    11,122,458.40/15,533,650.40 = 11,122,458.40/x
  3. Step 3: Cross multiply
    11,122,458.40x = 15,533,650.40 × 11,122,458.40
  4. Step 4: Simplify right side
    11,122,458.40x = 172,772,380,374,143.38
  5. Step 5: Solve for x
    x = 172,772,380,374,143.38/11,122,458.40
  6. Step 6: Final answer
    x = 15,533,650.40

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Double scale
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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.