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Finding the Fourth Proportional to 63,508.62, 87,643.10 and 34,826.57

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Solution

The fourth proportional to 63,508.62, 87,643.10 and 34,826.57 is: 48,061.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,508.62 : 87,643.10 = 34,826.57 : x
  2. Step 2: Convert to fraction form
    63,508.62/87,643.10 = 34,826.57/x
  3. Step 3: Cross multiply
    63,508.62x = 87,643.10 × 34,826.57
  4. Step 4: Simplify right side
    63,508.62x = 3,052,308,863.34
  5. Step 5: Solve for x
    x = 3,052,308,863.34/63,508.62
  6. Step 6: Final answer
    x = 48,061.33

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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.