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Finding the Fourth Proportional to 41,772.79, 62,672.19 and 13,693.06

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Solution

The fourth proportional to 41,772.79, 62,672.19 and 13,693.06 is: 20,543.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,772.79 : 62,672.19 = 13,693.06 : x
  2. Step 2: Convert to fraction form
    41,772.79/62,672.19 = 13,693.06/x
  3. Step 3: Cross multiply
    41,772.79x = 62,672.19 × 13,693.06
  4. Step 4: Simplify right side
    41,772.79x = 858,174,058.00
  5. Step 5: Solve for x
    x = 858,174,058.00/41,772.79
  6. Step 6: Final answer
    x = 20,543.85

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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.