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Finding the Fourth Proportional to 32,381.66, 48,579.39 and 18,348.41

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Solution

The fourth proportional to 32,381.66, 48,579.39 and 18,348.41 is: 27,526.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,381.66 : 48,579.39 = 18,348.41 : x
  2. Step 2: Convert to fraction form
    32,381.66/48,579.39 = 18,348.41/x
  3. Step 3: Cross multiply
    32,381.66x = 48,579.39 × 18,348.41
  4. Step 4: Simplify right side
    32,381.66x = 891,354,565.27
  5. Step 5: Solve for x
    x = 891,354,565.27/32,381.66
  6. Step 6: Final answer
    x = 27,526.52

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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.