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Finding the Fourth Proportional to 9,354,540, 12,909,265.20 and 5,062,188

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Solution

The fourth proportional to 9,354,540, 12,909,265.20 and 5,062,188 is: 6,985,819.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,354,540 : 12,909,265.20 = 5,062,188 : x
  2. Step 2: Convert to fraction form
    9,354,540/12,909,265.20 = 5,062,188/x
  3. Step 3: Cross multiply
    9,354,540x = 12,909,265.20 × 5,062,188
  4. Step 4: Simplify right side
    9,354,540x = 65,349,127,384,257.59
  5. Step 5: Solve for x
    x = 65,349,127,384,257.59/9,354,540
  6. Step 6: Final answer
    x = 6,985,819.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.