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Finding the Fourth Proportional to 24,891.61, 34,349.74 and 13,713.61

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Solution

The fourth proportional to 24,891.61, 34,349.74 and 13,713.61 is: 18,924.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,891.61 : 34,349.74 = 13,713.61 : x
  2. Step 2: Convert to fraction form
    24,891.61/34,349.74 = 13,713.61/x
  3. Step 3: Cross multiply
    24,891.61x = 34,349.74 × 13,713.61
  4. Step 4: Simplify right side
    24,891.61x = 471,058,937.96
  5. Step 5: Solve for x
    x = 471,058,937.96/24,891.61
  6. Step 6: Final answer
    x = 18,924.41

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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.