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Finding the Fourth Proportional to 71,801.67, 99,079.12 and 41,596.71

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Solution

The fourth proportional to 71,801.67, 99,079.12 and 41,596.71 is: 57,399.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,801.67 : 99,079.12 = 41,596.71 : x
  2. Step 2: Convert to fraction form
    71,801.67/99,079.12 = 41,596.71/x
  3. Step 3: Cross multiply
    71,801.67x = 99,079.12 × 41,596.71
  4. Step 4: Simplify right side
    71,801.67x = 4,121,365,421.70
  5. Step 5: Solve for x
    x = 4,121,365,421.70/71,801.67
  6. Step 6: Final answer
    x = 57,399.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.