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Finding the Fourth Proportional to 24,869.66, 34,319.77 and 13,691.66

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Solution

The fourth proportional to 24,869.66, 34,319.77 and 13,691.66 is: 18,894.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,869.66 : 34,319.77 = 13,691.66 : x
  2. Step 2: Convert to fraction form
    24,869.66/34,319.77 = 13,691.66/x
  3. Step 3: Cross multiply
    24,869.66x = 34,319.77 × 13,691.66
  4. Step 4: Simplify right side
    24,869.66x = 469,894,416.29
  5. Step 5: Solve for x
    x = 469,894,416.29/24,869.66
  6. Step 6: Final answer
    x = 18,894.29

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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.