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Finding the Fourth Proportional to 63,679.80, 95,519.70 and 57,556.20

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Solution

The fourth proportional to 63,679.80, 95,519.70 and 57,556.20 is: 86,334.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,679.80 : 95,519.70 = 57,556.20 : x
  2. Step 2: Convert to fraction form
    63,679.80/95,519.70 = 57,556.20/x
  3. Step 3: Cross multiply
    63,679.80x = 95,519.70 × 57,556.20
  4. Step 4: Simplify right side
    63,679.80x = 5,497,750,957.14
  5. Step 5: Solve for x
    x = 5,497,750,957.14/63,679.80
  6. Step 6: Final answer
    x = 86,334.30

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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.