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Finding the Fourth Proportional to 17,016.57, 25,516.08 and 7,648.58

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Solution

The fourth proportional to 17,016.57, 25,516.08 and 7,648.58 is: 11,468.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,016.57 : 25,516.08 = 7,648.58 : x
  2. Step 2: Convert to fraction form
    17,016.57/25,516.08 = 7,648.58/x
  3. Step 3: Cross multiply
    17,016.57x = 25,516.08 × 7,648.58
  4. Step 4: Simplify right side
    17,016.57x = 195,161,842.96
  5. Step 5: Solve for x
    x = 195,161,842.96/17,016.57
  6. Step 6: Final answer
    x = 11,468.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.