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Finding the Fourth Proportional to 57,466.52, 86,205.78 and 15,913.52

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Solution

The fourth proportional to 57,466.52, 86,205.78 and 15,913.52 is: 23,871.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,466.52 : 86,205.78 = 15,913.52 : x
  2. Step 2: Convert to fraction form
    57,466.52/86,205.78 = 15,913.52/x
  3. Step 3: Cross multiply
    57,466.52x = 86,205.78 × 15,913.52
  4. Step 4: Simplify right side
    57,466.52x = 1,371,837,404.15
  5. Step 5: Solve for x
    x = 1,371,837,404.15/57,466.52
  6. Step 6: Final answer
    x = 23,871.94

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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.