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Finding the Fourth Proportional to 67,124.79, 100,660.81 and 24,981.81

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Solution

The fourth proportional to 67,124.79, 100,660.81 and 24,981.81 is: 37,462.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,124.79 : 100,660.81 = 24,981.81 : x
  2. Step 2: Convert to fraction form
    67,124.79/100,660.81 = 24,981.81/x
  3. Step 3: Cross multiply
    67,124.79x = 100,660.81 × 24,981.81
  4. Step 4: Simplify right side
    67,124.79x = 2,514,689,229.87
  5. Step 5: Solve for x
    x = 2,514,689,229.87/67,124.79
  6. Step 6: Final answer
    x = 37,462.90

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1.5x scale

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.