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Finding the Fourth Proportional to 63,394.80, 87,487.62 and 35,100.54

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Solution

The fourth proportional to 63,394.80, 87,487.62 and 35,100.54 is: 48,440.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,394.80 : 87,487.62 = 35,100.54 : x
  2. Step 2: Convert to fraction form
    63,394.80/87,487.62 = 35,100.54/x
  3. Step 3: Cross multiply
    63,394.80x = 87,487.62 × 35,100.54
  4. Step 4: Simplify right side
    63,394.80x = 3,070,862,705.31
  5. Step 5: Solve for x
    x = 3,070,862,705.31/63,394.80
  6. Step 6: Final answer
    x = 48,440.29

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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.