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Finding the Fourth Proportional to 8,708.34, 13,062.54 and 2,134.53

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Solution

The fourth proportional to 8,708.34, 13,062.54 and 2,134.53 is: 3,201.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,708.34 : 13,062.54 = 2,134.53 : x
  2. Step 2: Convert to fraction form
    8,708.34/13,062.54 = 2,134.53/x
  3. Step 3: Cross multiply
    8,708.34x = 13,062.54 × 2,134.53
  4. Step 4: Simplify right side
    8,708.34x = 27,882,348.77
  5. Step 5: Solve for x
    x = 27,882,348.77/8,708.34
  6. Step 6: Final answer
    x = 3,201.80

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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.