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Finding the Fourth Proportional to 32,308.80, 48,463.20 and 8,933.28

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Solution

The fourth proportional to 32,308.80, 48,463.20 and 8,933.28 is: 13,399.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,308.80 : 48,463.20 = 8,933.28 : x
  2. Step 2: Convert to fraction form
    32,308.80/48,463.20 = 8,933.28/x
  3. Step 3: Cross multiply
    32,308.80x = 48,463.20 × 8,933.28
  4. Step 4: Simplify right side
    32,308.80x = 432,935,335.30
  5. Step 5: Solve for x
    x = 432,935,335.30/32,308.80
  6. Step 6: Final answer
    x = 13,399.92

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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.