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Finding the Fourth Proportional to 63,551.47, 87,700.99 and 34,871.30

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Solution

The fourth proportional to 63,551.47, 87,700.99 and 34,871.30 is: 48,122.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,551.47 : 87,700.99 = 34,871.30 : x
  2. Step 2: Convert to fraction form
    63,551.47/87,700.99 = 34,871.30/x
  3. Step 3: Cross multiply
    63,551.47x = 87,700.99 × 34,871.30
  4. Step 4: Simplify right side
    63,551.47x = 3,058,247,532.59
  5. Step 5: Solve for x
    x = 3,058,247,532.59/63,551.47
  6. Step 6: Final answer
    x = 48,122.37

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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.