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Finding the Fourth Proportional to 67,636.95, 93,332.85 and 38,948.97

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Solution

The fourth proportional to 67,636.95, 93,332.85 and 38,948.97 is: 53,746.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,636.95 : 93,332.85 = 38,948.97 : x
  2. Step 2: Convert to fraction form
    67,636.95/93,332.85 = 38,948.97/x
  3. Step 3: Cross multiply
    67,636.95x = 93,332.85 × 38,948.97
  4. Step 4: Simplify right side
    67,636.95x = 3,635,218,374.66
  5. Step 5: Solve for x
    x = 3,635,218,374.66/67,636.95
  6. Step 6: Final answer
    x = 53,746.04

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1.5x scale

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.