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Finding the Fourth Proportional to 62,662,402.72, 93,972,310.64 and 21,712,285.60

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Solution

The fourth proportional to 62,662,402.72, 93,972,310.64 and 21,712,285.60 is: 32,561,050.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,662,402.72 : 93,972,310.64 = 21,712,285.60 : x
  2. Step 2: Convert to fraction form
    62,662,402.72/93,972,310.64 = 21,712,285.60/x
  3. Step 3: Cross multiply
    62,662,402.72x = 93,972,310.64 × 21,712,285.60
  4. Step 4: Simplify right side
    62,662,402.72x = 2,040,353,647,107,599
  5. Step 5: Solve for x
    x = 2,040,353,647,107,599/62,662,402.72
  6. Step 6: Final answer
    x = 32,561,050.30

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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.