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Finding the Fourth Proportional to 8,708.52, 13,062.60 and 3,513

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Solution

The fourth proportional to 8,708.52, 13,062.60 and 3,513 is: 5,269.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,708.52 : 13,062.60 = 3,513 : x
  2. Step 2: Convert to fraction form
    8,708.52/13,062.60 = 3,513/x
  3. Step 3: Cross multiply
    8,708.52x = 13,062.60 × 3,513
  4. Step 4: Simplify right side
    8,708.52x = 45,888,913.80
  5. Step 5: Solve for x
    x = 45,888,913.80/8,708.52
  6. Step 6: Final answer
    x = 5,269.43

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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.