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Finding the Fourth Proportional to 63,393.80, 87,484.72 and 35,100.48

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Solution

The fourth proportional to 63,393.80, 87,484.72 and 35,100.48 is: 48,439.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,393.80 : 87,484.72 = 35,100.48 : x
  2. Step 2: Convert to fraction form
    63,393.80/87,484.72 = 35,100.48/x
  3. Step 3: Cross multiply
    63,393.80x = 87,484.72 × 35,100.48
  4. Step 4: Simplify right side
    63,393.80x = 3,070,755,664.67
  5. Step 5: Solve for x
    x = 3,070,755,664.67/63,393.80
  6. Step 6: Final answer
    x = 48,439.37

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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.