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Finding the Fourth Proportional to 24,739, 34,139.82 and 13,560.76

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Solution

The fourth proportional to 24,739, 34,139.82 and 13,560.76 is: 18,713.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,739 : 34,139.82 = 13,560.76 : x
  2. Step 2: Convert to fraction form
    24,739/34,139.82 = 13,560.76/x
  3. Step 3: Cross multiply
    24,739x = 34,139.82 × 13,560.76
  4. Step 4: Simplify right side
    24,739x = 462,961,905.46
  5. Step 5: Solve for x
    x = 462,961,905.46/24,739
  6. Step 6: Final answer
    x = 18,713.85

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Double scale
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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.