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Finding the Fourth Proportional to 57,286, 79,055.22 and 32,136.04

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Solution

The fourth proportional to 57,286, 79,055.22 and 32,136.04 is: 44,348.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,286 : 79,055.22 = 32,136.04 : x
  2. Step 2: Convert to fraction form
    57,286/79,055.22 = 32,136.04/x
  3. Step 3: Cross multiply
    57,286x = 79,055.22 × 32,136.04
  4. Step 4: Simplify right side
    57,286x = 2,540,521,712.13
  5. Step 5: Solve for x
    x = 2,540,521,712.13/57,286
  6. Step 6: Final answer
    x = 44,348.04

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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.