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Finding the Fourth Proportional to 24,753.98, 34,102.74 and 20,251.49

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Solution

The fourth proportional to 24,753.98, 34,102.74 and 20,251.49 is: 27,899.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,753.98 : 34,102.74 = 20,251.49 : x
  2. Step 2: Convert to fraction form
    24,753.98/34,102.74 = 20,251.49/x
  3. Step 3: Cross multiply
    24,753.98x = 34,102.74 × 20,251.49
  4. Step 4: Simplify right side
    24,753.98x = 690,631,383.34
  5. Step 5: Solve for x
    x = 690,631,383.34/24,753.98
  6. Step 6: Final answer
    x = 27,899.81

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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.