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Finding the Fourth Proportional to 24,761.72, 34,170.90 and 13,583.72

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Solution

The fourth proportional to 24,761.72, 34,170.90 and 13,583.72 is: 18,745.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,761.72 : 34,170.90 = 13,583.72 : x
  2. Step 2: Convert to fraction form
    24,761.72/34,170.90 = 13,583.72/x
  3. Step 3: Cross multiply
    24,761.72x = 34,170.90 × 13,583.72
  4. Step 4: Simplify right side
    24,761.72x = 464,167,937.75
  5. Step 5: Solve for x
    x = 464,167,937.75/24,761.72
  6. Step 6: Final answer
    x = 18,745.38

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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.