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Finding the Fourth Proportional to 57,519.90, 79,377.30 and 32,369.40

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Solution

The fourth proportional to 57,519.90, 79,377.30 and 32,369.40 is: 44,669.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,519.90 : 79,377.30 = 32,369.40 : x
  2. Step 2: Convert to fraction form
    57,519.90/79,377.30 = 32,369.40/x
  3. Step 3: Cross multiply
    57,519.90x = 79,377.30 × 32,369.40
  4. Step 4: Simplify right side
    57,519.90x = 2,569,395,574.62
  5. Step 5: Solve for x
    x = 2,569,395,574.62/57,519.90
  6. Step 6: Final answer
    x = 44,669.68

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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.