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Finding the Fourth Proportional to 61,747.86, 92,545.80 and 35,116.20

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Solution

The fourth proportional to 61,747.86, 92,545.80 and 35,116.20 is: 52,631.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,747.86 : 92,545.80 = 35,116.20 : x
  2. Step 2: Convert to fraction form
    61,747.86/92,545.80 = 35,116.20/x
  3. Step 3: Cross multiply
    61,747.86x = 92,545.80 × 35,116.20
  4. Step 4: Simplify right side
    61,747.86x = 3,249,856,821.96
  5. Step 5: Solve for x
    x = 3,249,856,821.96/61,747.86
  6. Step 6: Final answer
    x = 52,631.08

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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.