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Finding the Fourth Proportional to 6,542.70, 9,813.48 and 1,862.52

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Solution

The fourth proportional to 6,542.70, 9,813.48 and 1,862.52 is: 2,793.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,542.70 : 9,813.48 = 1,862.52 : x
  2. Step 2: Convert to fraction form
    6,542.70/9,813.48 = 1,862.52/x
  3. Step 3: Cross multiply
    6,542.70x = 9,813.48 × 1,862.52
  4. Step 4: Simplify right side
    6,542.70x = 18,277,802.77
  5. Step 5: Solve for x
    x = 18,277,802.77/6,542.70
  6. Step 6: Final answer
    x = 2,793.62

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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.