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Finding the Fourth Proportional to 63,231.77, 87,259.65 and 34,937.25

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Solution

The fourth proportional to 63,231.77, 87,259.65 and 34,937.25 is: 48,213.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,231.77 : 87,259.65 = 34,937.25 : x
  2. Step 2: Convert to fraction form
    63,231.77/87,259.65 = 34,937.25/x
  3. Step 3: Cross multiply
    63,231.77x = 87,259.65 × 34,937.25
  4. Step 4: Simplify right side
    63,231.77x = 3,048,612,206.96
  5. Step 5: Solve for x
    x = 3,048,612,206.96/63,231.77
  6. Step 6: Final answer
    x = 48,213.30

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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.