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Finding the Fourth Proportional to 61,565.92, 92,348.90 and 14,818.79

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Solution

The fourth proportional to 61,565.92, 92,348.90 and 14,818.79 is: 22,228.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,565.92 : 92,348.90 = 14,818.79 : x
  2. Step 2: Convert to fraction form
    61,565.92/92,348.90 = 14,818.79/x
  3. Step 3: Cross multiply
    61,565.92x = 92,348.90 × 14,818.79
  4. Step 4: Simplify right side
    61,565.92x = 1,368,498,955.83
  5. Step 5: Solve for x
    x = 1,368,498,955.83/61,565.92
  6. Step 6: Final answer
    x = 22,228.19

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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.