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Finding the Fourth Proportional to 63,586.80, 87,757.56 and 35,301.60

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Solution

The fourth proportional to 63,586.80, 87,757.56 and 35,301.60 is: 48,720.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,586.80 : 87,757.56 = 35,301.60 : x
  2. Step 2: Convert to fraction form
    63,586.80/87,757.56 = 35,301.60/x
  3. Step 3: Cross multiply
    63,586.80x = 87,757.56 × 35,301.60
  4. Step 4: Simplify right side
    63,586.80x = 3,097,982,280.10
  5. Step 5: Solve for x
    x = 3,097,982,280.10/63,586.80
  6. Step 6: Final answer
    x = 48,720.53

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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.