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Finding the Fourth Proportional to 47,670,209.26, 71,505,978.19 and 13,591,555.14

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Solution

The fourth proportional to 47,670,209.26, 71,505,978.19 and 13,591,555.14 is: 20,387,522.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,670,209.26 : 71,505,978.19 = 13,591,555.14 : x
  2. Step 2: Convert to fraction form
    47,670,209.26/71,505,978.19 = 13,591,555.14/x
  3. Step 3: Cross multiply
    47,670,209.26x = 71,505,978.19 × 13,591,555.14
  4. Step 4: Simplify right side
    47,670,209.26x = 971,877,445,409,022.38
  5. Step 5: Solve for x
    x = 971,877,445,409,022.38/47,670,209.26
  6. Step 6: Final answer
    x = 20,387,522.11

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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.