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Finding the Fourth Proportional to 32,118.66, 48,110.76 and 20,373.66

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Solution

The fourth proportional to 32,118.66, 48,110.76 and 20,373.66 is: 30,517.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,118.66 : 48,110.76 = 20,373.66 : x
  2. Step 2: Convert to fraction form
    32,118.66/48,110.76 = 20,373.66/x
  3. Step 3: Cross multiply
    32,118.66x = 48,110.76 × 20,373.66
  4. Step 4: Simplify right side
    32,118.66x = 980,192,266.58
  5. Step 5: Solve for x
    x = 980,192,266.58/32,118.66
  6. Step 6: Final answer
    x = 30,517.84

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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.