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Finding the Fourth Proportional to 67,565.88, 93,252.51 and 39,288

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Solution

The fourth proportional to 67,565.88, 93,252.51 and 39,288 is: 54,224.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,565.88 : 93,252.51 = 39,288 : x
  2. Step 2: Convert to fraction form
    67,565.88/93,252.51 = 39,288/x
  3. Step 3: Cross multiply
    67,565.88x = 93,252.51 × 39,288
  4. Step 4: Simplify right side
    67,565.88x = 3,663,704,612.88
  5. Step 5: Solve for x
    x = 3,663,704,612.88/67,565.88
  6. Step 6: Final answer
    x = 54,224.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.