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Finding the Fourth Proportional to 32,648.43, 48,972.65 and 21,552.53

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Solution

The fourth proportional to 32,648.43, 48,972.65 and 21,552.53 is: 32,328.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,648.43 : 48,972.65 = 21,552.53 : x
  2. Step 2: Convert to fraction form
    32,648.43/48,972.65 = 21,552.53/x
  3. Step 3: Cross multiply
    32,648.43x = 48,972.65 × 21,552.53
  4. Step 4: Simplify right side
    32,648.43x = 1,055,484,155.68
  5. Step 5: Solve for x
    x = 1,055,484,155.68/32,648.43
  6. Step 6: Final answer
    x = 32,328.78

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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.