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Finding the Fourth Proportional to 32,479.66, 48,721.25 and 9,107.92

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Solution

The fourth proportional to 32,479.66, 48,721.25 and 9,107.92 is: 13,662.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,479.66 : 48,721.25 = 9,107.92 : x
  2. Step 2: Convert to fraction form
    32,479.66/48,721.25 = 9,107.92/x
  3. Step 3: Cross multiply
    32,479.66x = 48,721.25 × 9,107.92
  4. Step 4: Simplify right side
    32,479.66x = 443,749,247.30
  5. Step 5: Solve for x
    x = 443,749,247.30/32,479.66
  6. Step 6: Final answer
    x = 13,662.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.