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Finding the Fourth Proportional to 63,324.48, 87,385.14 and 34,644

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Solution

The fourth proportional to 63,324.48, 87,385.14 and 34,644 is: 47,807.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,324.48 : 87,385.14 = 34,644 : x
  2. Step 2: Convert to fraction form
    63,324.48/87,385.14 = 34,644/x
  3. Step 3: Cross multiply
    63,324.48x = 87,385.14 × 34,644
  4. Step 4: Simplify right side
    63,324.48x = 3,027,370,790.16
  5. Step 5: Solve for x
    x = 3,027,370,790.16/63,324.48
  6. Step 6: Final answer
    x = 47,807.27

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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.