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Finding the Fourth Proportional to 70,766.92, 106,117.58 and 26,381.76

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Solution

The fourth proportional to 70,766.92, 106,117.58 and 26,381.76 is: 39,560.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,766.92 : 106,117.58 = 26,381.76 : x
  2. Step 2: Convert to fraction form
    70,766.92/106,117.58 = 26,381.76/x
  3. Step 3: Cross multiply
    70,766.92x = 106,117.58 × 26,381.76
  4. Step 4: Simplify right side
    70,766.92x = 2,799,568,527.34
  5. Step 5: Solve for x
    x = 2,799,568,527.34/70,766.92
  6. Step 6: Final answer
    x = 39,560.41

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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.