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Finding the Fourth Proportional to 63,963.80, 95,718.90 and 55,734.20

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Solution

The fourth proportional to 63,963.80, 95,718.90 and 55,734.20 is: 83,403.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,963.80 : 95,718.90 = 55,734.20 : x
  2. Step 2: Convert to fraction form
    63,963.80/95,718.90 = 55,734.20/x
  3. Step 3: Cross multiply
    63,963.80x = 95,718.90 × 55,734.20
  4. Step 4: Simplify right side
    63,963.80x = 5,334,816,316.38
  5. Step 5: Solve for x
    x = 5,334,816,316.38/63,963.80
  6. Step 6: Final answer
    x = 83,403.68

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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.