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Finding the Fourth Proportional to 63,294.18, 87,342.48 and 34,998

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Solution

The fourth proportional to 63,294.18, 87,342.48 and 34,998 is: 48,295.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,294.18 : 87,342.48 = 34,998 : x
  2. Step 2: Convert to fraction form
    63,294.18/87,342.48 = 34,998/x
  3. Step 3: Cross multiply
    63,294.18x = 87,342.48 × 34,998
  4. Step 4: Simplify right side
    63,294.18x = 3,056,812,115.04
  5. Step 5: Solve for x
    x = 3,056,812,115.04/63,294.18
  6. Step 6: Final answer
    x = 48,295.31

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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.