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Finding the Fourth Proportional to 61,545.57, 92,511.08 and 40,620.11

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Solution

The fourth proportional to 61,545.57, 92,511.08 and 40,620.11 is: 61,057.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,545.57 : 92,511.08 = 40,620.11 : x
  2. Step 2: Convert to fraction form
    61,545.57/92,511.08 = 40,620.11/x
  3. Step 3: Cross multiply
    61,545.57x = 92,511.08 × 40,620.11
  4. Step 4: Simplify right side
    61,545.57x = 3,757,809,580.16
  5. Step 5: Solve for x
    x = 3,757,809,580.16/61,545.57
  6. Step 6: Final answer
    x = 61,057.35

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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.