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Finding the Fourth Proportional to 32,279.62, 48,418.11 and 8,905.46

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Solution

The fourth proportional to 32,279.62, 48,418.11 and 8,905.46 is: 13,357.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,279.62 : 48,418.11 = 8,905.46 : x
  2. Step 2: Convert to fraction form
    32,279.62/48,418.11 = 8,905.46/x
  3. Step 3: Cross multiply
    32,279.62x = 48,418.11 × 8,905.46
  4. Step 4: Simplify right side
    32,279.62x = 431,185,541.88
  5. Step 5: Solve for x
    x = 431,185,541.88/32,279.62
  6. Step 6: Final answer
    x = 13,357.83

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1.5x scale

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.