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Finding the Fourth Proportional to 57,373.65, 86,060.54 and 17,930.97

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Solution

The fourth proportional to 57,373.65, 86,060.54 and 17,930.97 is: 26,896.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,373.65 : 86,060.54 = 17,930.97 : x
  2. Step 2: Convert to fraction form
    57,373.65/86,060.54 = 17,930.97/x
  3. Step 3: Cross multiply
    57,373.65x = 86,060.54 × 17,930.97
  4. Step 4: Simplify right side
    57,373.65x = 1,543,149,005.75
  5. Step 5: Solve for x
    x = 1,543,149,005.75/57,373.65
  6. Step 6: Final answer
    x = 26,896.48

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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.