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Finding the Fourth Proportional to 63,921.80, 95,882.70 and 35,928.20

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Solution

The fourth proportional to 63,921.80, 95,882.70 and 35,928.20 is: 53,892.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,921.80 : 95,882.70 = 35,928.20 : x
  2. Step 2: Convert to fraction form
    63,921.80/95,882.70 = 35,928.20/x
  3. Step 3: Cross multiply
    63,921.80x = 95,882.70 × 35,928.20
  4. Step 4: Simplify right side
    63,921.80x = 3,444,892,822.14
  5. Step 5: Solve for x
    x = 3,444,892,822.14/63,921.80
  6. Step 6: Final answer
    x = 53,892.30

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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.