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Finding the Fourth Proportional to 32,484.43, 48,687.40 and 15,819.49

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Solution

The fourth proportional to 32,484.43, 48,687.40 and 15,819.49 is: 23,710.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,484.43 : 48,687.40 = 15,819.49 : x
  2. Step 2: Convert to fraction form
    32,484.43/48,687.40 = 15,819.49/x
  3. Step 3: Cross multiply
    32,484.43x = 48,687.40 × 15,819.49
  4. Step 4: Simplify right side
    32,484.43x = 770,209,837.43
  5. Step 5: Solve for x
    x = 770,209,837.43/32,484.43
  6. Step 6: Final answer
    x = 23,710.12

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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.