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Finding the Fourth Proportional to 60,375.12, 83,266.50 and 38,868.60

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Solution

The fourth proportional to 60,375.12, 83,266.50 and 38,868.60 is: 53,605.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,375.12 : 83,266.50 = 38,868.60 : x
  2. Step 2: Convert to fraction form
    60,375.12/83,266.50 = 38,868.60/x
  3. Step 3: Cross multiply
    60,375.12x = 83,266.50 × 38,868.60
  4. Step 4: Simplify right side
    60,375.12x = 3,236,452,281.90
  5. Step 5: Solve for x
    x = 3,236,452,281.90/60,375.12
  6. Step 6: Final answer
    x = 53,605.73

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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.