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Finding the Fourth Proportional to 32,448.87, 44,787.60 and 18,309.87

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Solution

The fourth proportional to 32,448.87, 44,787.60 and 18,309.87 is: 25,272.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,448.87 : 44,787.60 = 18,309.87 : x
  2. Step 2: Convert to fraction form
    32,448.87/44,787.60 = 18,309.87/x
  3. Step 3: Cross multiply
    32,448.87x = 44,787.60 × 18,309.87
  4. Step 4: Simplify right side
    32,448.87x = 820,055,133.61
  5. Step 5: Solve for x
    x = 820,055,133.61/32,448.87
  6. Step 6: Final answer
    x = 25,272.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.