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Finding the Fourth Proportional to 61,892.79, 92,869.86 and 24,479.70

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Solution

The fourth proportional to 61,892.79, 92,869.86 and 24,479.70 is: 36,731.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,892.79 : 92,869.86 = 24,479.70 : x
  2. Step 2: Convert to fraction form
    61,892.79/92,869.86 = 24,479.70/x
  3. Step 3: Cross multiply
    61,892.79x = 92,869.86 × 24,479.70
  4. Step 4: Simplify right side
    61,892.79x = 2,273,426,311.84
  5. Step 5: Solve for x
    x = 2,273,426,311.84/61,892.79
  6. Step 6: Final answer
    x = 36,731.68

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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.