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Finding the Fourth Proportional to 63,760.52, 87,989.26 and 35,466.20

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Solution

The fourth proportional to 63,760.52, 87,989.26 and 35,466.20 is: 48,943.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,760.52 : 87,989.26 = 35,466.20 : x
  2. Step 2: Convert to fraction form
    63,760.52/87,989.26 = 35,466.20/x
  3. Step 3: Cross multiply
    63,760.52x = 87,989.26 × 35,466.20
  4. Step 4: Simplify right side
    63,760.52x = 3,120,644,693.01
  5. Step 5: Solve for x
    x = 3,120,644,693.01/63,760.52
  6. Step 6: Final answer
    x = 48,943.21

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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.