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Finding the Fourth Proportional to 40,167.66, 60,230.42 and 13,866.16

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Solution

The fourth proportional to 40,167.66, 60,230.42 and 13,866.16 is: 20,791.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,167.66 : 60,230.42 = 13,866.16 : x
  2. Step 2: Convert to fraction form
    40,167.66/60,230.42 = 13,866.16/x
  3. Step 3: Cross multiply
    40,167.66x = 60,230.42 × 13,866.16
  4. Step 4: Simplify right side
    40,167.66x = 835,164,640.59
  5. Step 5: Solve for x
    x = 835,164,640.59/40,167.66
  6. Step 6: Final answer
    x = 20,791.97

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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.