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Finding the Fourth Proportional to 61,873.60, 85,321.02 and 36,718.24

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Solution

The fourth proportional to 61,873.60, 85,321.02 and 36,718.24 is: 50,632.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,873.60 : 85,321.02 = 36,718.24 : x
  2. Step 2: Convert to fraction form
    61,873.60/85,321.02 = 36,718.24/x
  3. Step 3: Cross multiply
    61,873.60x = 85,321.02 × 36,718.24
  4. Step 4: Simplify right side
    61,873.60x = 3,132,837,613.80
  5. Step 5: Solve for x
    x = 3,132,837,613.80/61,873.60
  6. Step 6: Final answer
    x = 50,632.87

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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.