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Finding the Fourth Proportional to 29,381.46, 44,103.78 and 11,862.78

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Solution

The fourth proportional to 29,381.46, 44,103.78 and 11,862.78 is: 17,806.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,381.46 : 44,103.78 = 11,862.78 : x
  2. Step 2: Convert to fraction form
    29,381.46/44,103.78 = 11,862.78/x
  3. Step 3: Cross multiply
    29,381.46x = 44,103.78 × 11,862.78
  4. Step 4: Simplify right side
    29,381.46x = 523,193,439.31
  5. Step 5: Solve for x
    x = 523,193,439.31/29,381.46
  6. Step 6: Final answer
    x = 17,806.92

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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.