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Finding the Fourth Proportional to 17,720.92, 24,454.90 and 9,654.54

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Solution

The fourth proportional to 17,720.92, 24,454.90 and 9,654.54 is: 13,323.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,720.92 : 24,454.90 = 9,654.54 : x
  2. Step 2: Convert to fraction form
    17,720.92/24,454.90 = 9,654.54/x
  3. Step 3: Cross multiply
    17,720.92x = 24,454.90 × 9,654.54
  4. Step 4: Simplify right side
    17,720.92x = 236,100,639.70
  5. Step 5: Solve for x
    x = 236,100,639.70/17,720.92
  6. Step 6: Final answer
    x = 13,323.27

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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.