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Finding the Fourth Proportional to 8,542.52, 12,813.52 and 2,386.52

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Solution

The fourth proportional to 8,542.52, 12,813.52 and 2,386.52 is: 3,579.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,542.52 : 12,813.52 = 2,386.52 : x
  2. Step 2: Convert to fraction form
    8,542.52/12,813.52 = 2,386.52/x
  3. Step 3: Cross multiply
    8,542.52x = 12,813.52 × 2,386.52
  4. Step 4: Simplify right side
    8,542.52x = 30,579,721.75
  5. Step 5: Solve for x
    x = 30,579,721.75/8,542.52
  6. Step 6: Final answer
    x = 3,579.71

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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.