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Finding the Fourth Proportional to 57,469.68, 79,307.64 and 32,319.36

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Solution

The fourth proportional to 57,469.68, 79,307.64 and 32,319.36 is: 44,600.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,469.68 : 79,307.64 = 32,319.36 : x
  2. Step 2: Convert to fraction form
    57,469.68/79,307.64 = 32,319.36/x
  3. Step 3: Cross multiply
    57,469.68x = 79,307.64 × 32,319.36
  4. Step 4: Simplify right side
    57,469.68x = 2,563,172,167.91
  5. Step 5: Solve for x
    x = 2,563,172,167.91/57,469.68
  6. Step 6: Final answer
    x = 44,600.43

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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.