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Finding the Fourth Proportional to 24,789.87, 34,209.84 and 13,459.15

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Solution

The fourth proportional to 24,789.87, 34,209.84 and 13,459.15 is: 18,573.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,789.87 : 34,209.84 = 13,459.15 : x
  2. Step 2: Convert to fraction form
    24,789.87/34,209.84 = 13,459.15/x
  3. Step 3: Cross multiply
    24,789.87x = 34,209.84 × 13,459.15
  4. Step 4: Simplify right side
    24,789.87x = 460,435,155.28
  5. Step 5: Solve for x
    x = 460,435,155.28/24,789.87
  6. Step 6: Final answer
    x = 18,573.52

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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.