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Finding the Fourth Proportional to 83,017.75, 124,526.63 and 27,613.75

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Solution

The fourth proportional to 83,017.75, 124,526.63 and 27,613.75 is: 41,420.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,017.75 : 124,526.63 = 27,613.75 : x
  2. Step 2: Convert to fraction form
    83,017.75/124,526.63 = 27,613.75/x
  3. Step 3: Cross multiply
    83,017.75x = 124,526.63 × 27,613.75
  4. Step 4: Simplify right side
    83,017.75x = 3,438,647,229.16
  5. Step 5: Solve for x
    x = 3,438,647,229.16/83,017.75
  6. Step 6: Final answer
    x = 41,420.63

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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.