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Finding the Fourth Proportional to 63,485.92, 87,613.16 and 35,191.04

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Solution

The fourth proportional to 63,485.92, 87,613.16 and 35,191.04 is: 48,565.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,485.92 : 87,613.16 = 35,191.04 : x
  2. Step 2: Convert to fraction form
    63,485.92/87,613.16 = 35,191.04/x
  3. Step 3: Cross multiply
    63,485.92x = 87,613.16 × 35,191.04
  4. Step 4: Simplify right side
    63,485.92x = 3,083,198,218.09
  5. Step 5: Solve for x
    x = 3,083,198,218.09/63,485.92
  6. Step 6: Final answer
    x = 48,565.07

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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.