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Finding the Fourth Proportional to 61,821.92, 92,655.12 and 44,325.92

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Solution

The fourth proportional to 61,821.92, 92,655.12 and 44,325.92 is: 66,433.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,821.92 : 92,655.12 = 44,325.92 : x
  2. Step 2: Convert to fraction form
    61,821.92/92,655.12 = 44,325.92/x
  3. Step 3: Cross multiply
    61,821.92x = 92,655.12 × 44,325.92
  4. Step 4: Simplify right side
    61,821.92x = 4,107,023,436.71
  5. Step 5: Solve for x
    x = 4,107,023,436.71/61,821.92
  6. Step 6: Final answer
    x = 66,433.13

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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.