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Finding the Fourth Proportional to 63,437.28, 87,540 and 35,141.28

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Solution

The fourth proportional to 63,437.28, 87,540 and 35,141.28 is: 48,493.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,437.28 : 87,540 = 35,141.28 : x
  2. Step 2: Convert to fraction form
    63,437.28/87,540 = 35,141.28/x
  3. Step 3: Cross multiply
    63,437.28x = 87,540 × 35,141.28
  4. Step 4: Simplify right side
    63,437.28x = 3,076,267,651.20
  5. Step 5: Solve for x
    x = 3,076,267,651.20/63,437.28
  6. Step 6: Final answer
    x = 48,493.06

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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.