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Finding the Fourth Proportional to 67,863.68, 93,651.90 and 38,055.68

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Solution

The fourth proportional to 67,863.68, 93,651.90 and 38,055.68 is: 52,516.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,863.68 : 93,651.90 = 38,055.68 : x
  2. Step 2: Convert to fraction form
    67,863.68/93,651.90 = 38,055.68/x
  3. Step 3: Cross multiply
    67,863.68x = 93,651.90 × 38,055.68
  4. Step 4: Simplify right side
    67,863.68x = 3,563,986,737.79
  5. Step 5: Solve for x
    x = 3,563,986,737.79/67,863.68
  6. Step 6: Final answer
    x = 52,516.85

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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.