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Finding the Fourth Proportional to 63,508.86, 87,634.17 and 34,820.97

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Solution

The fourth proportional to 63,508.86, 87,634.17 and 34,820.97 is: 48,048.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,508.86 : 87,634.17 = 34,820.97 : x
  2. Step 2: Convert to fraction form
    63,508.86/87,634.17 = 34,820.97/x
  3. Step 3: Cross multiply
    63,508.86x = 87,634.17 × 34,820.97
  4. Step 4: Simplify right side
    63,508.86x = 3,051,506,411.35
  5. Step 5: Solve for x
    x = 3,051,506,411.35/63,508.86
  6. Step 6: Final answer
    x = 48,048.52

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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.