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Finding the Fourth Proportional to 24,865.72, 34,314.33 and 13,687.72

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Solution

The fourth proportional to 24,865.72, 34,314.33 and 13,687.72 is: 18,888.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,865.72 : 34,314.33 = 13,687.72 : x
  2. Step 2: Convert to fraction form
    24,865.72/34,314.33 = 13,687.72/x
  3. Step 3: Cross multiply
    24,865.72x = 34,314.33 × 13,687.72
  4. Step 4: Simplify right side
    24,865.72x = 469,684,906.57
  5. Step 5: Solve for x
    x = 469,684,906.57/24,865.72
  6. Step 6: Final answer
    x = 18,888.85

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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.