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Finding the Fourth Proportional to 32,388.66, 48,505.23 and 18,508.50

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Solution

The fourth proportional to 32,388.66, 48,505.23 and 18,508.50 is: 27,718.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,388.66 : 48,505.23 = 18,508.50 : x
  2. Step 2: Convert to fraction form
    32,388.66/48,505.23 = 18,508.50/x
  3. Step 3: Cross multiply
    32,388.66x = 48,505.23 × 18,508.50
  4. Step 4: Simplify right side
    32,388.66x = 897,759,049.46
  5. Step 5: Solve for x
    x = 897,759,049.46/32,388.66
  6. Step 6: Final answer
    x = 27,718.31

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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.