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Finding the Fourth Proportional to 17,873.80, 24,654.65 and 11,508.68

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Solution

The fourth proportional to 17,873.80, 24,654.65 and 11,508.68 is: 15,874.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,873.80 : 24,654.65 = 11,508.68 : x
  2. Step 2: Convert to fraction form
    17,873.80/24,654.65 = 11,508.68/x
  3. Step 3: Cross multiply
    17,873.80x = 24,654.65 × 11,508.68
  4. Step 4: Simplify right side
    17,873.80x = 283,742,481.46
  5. Step 5: Solve for x
    x = 283,742,481.46/17,873.80
  6. Step 6: Final answer
    x = 15,874.77

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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.