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Finding the Fourth Proportional to 63,959.80, 95,712.90 and 55,730.20

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Solution

The fourth proportional to 63,959.80, 95,712.90 and 55,730.20 is: 83,397.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,959.80 : 95,712.90 = 55,730.20 : x
  2. Step 2: Convert to fraction form
    63,959.80/95,712.90 = 55,730.20/x
  3. Step 3: Cross multiply
    63,959.80x = 95,712.90 × 55,730.20
  4. Step 4: Simplify right side
    63,959.80x = 5,334,099,059.58
  5. Step 5: Solve for x
    x = 5,334,099,059.58/63,959.80
  6. Step 6: Final answer
    x = 83,397.68

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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.