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Finding the Fourth Proportional to 10,262.70, 15,395.13 and 3,335.58

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Solution

The fourth proportional to 10,262.70, 15,395.13 and 3,335.58 is: 5,003.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,262.70 : 15,395.13 = 3,335.58 : x
  2. Step 2: Convert to fraction form
    10,262.70/15,395.13 = 3,335.58/x
  3. Step 3: Cross multiply
    10,262.70x = 15,395.13 × 3,335.58
  4. Step 4: Simplify right side
    10,262.70x = 51,351,687.73
  5. Step 5: Solve for x
    x = 51,351,687.73/10,262.70
  6. Step 6: Final answer
    x = 5,003.72

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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.