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Finding the Fourth Proportional to 17,760.96, 26,641.92 and 4,613.92

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Solution

The fourth proportional to 17,760.96, 26,641.92 and 4,613.92 is: 6,921.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,760.96 : 26,641.92 = 4,613.92 : x
  2. Step 2: Convert to fraction form
    17,760.96/26,641.92 = 4,613.92/x
  3. Step 3: Cross multiply
    17,760.96x = 26,641.92 × 4,613.92
  4. Step 4: Simplify right side
    17,760.96x = 122,923,687.53
  5. Step 5: Solve for x
    x = 122,923,687.53/17,760.96
  6. Step 6: Final answer
    x = 6,921.00

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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.