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Finding the Fourth Proportional to 39,891,630.30, 59,837,445.45 and 39,891,630.30

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Solution

The fourth proportional to 39,891,630.30, 59,837,445.45 and 39,891,630.30 is: 59,837,445.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,891,630.30 : 59,837,445.45 = 39,891,630.30 : x
  2. Step 2: Convert to fraction form
    39,891,630.30/59,837,445.45 = 39,891,630.30/x
  3. Step 3: Cross multiply
    39,891,630.30x = 59,837,445.45 × 39,891,630.30
  4. Step 4: Simplify right side
    39,891,630.30x = 2,387,013,251,987,817
  5. Step 5: Solve for x
    x = 2,387,013,251,987,817/39,891,630.30
  6. Step 6: Final answer
    x = 59,837,445.45

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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.