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Finding the Fourth Proportional to 10,644.58, 15,959.07 and 3,622.71

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Solution

The fourth proportional to 10,644.58, 15,959.07 and 3,622.71 is: 5,431.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,644.58 : 15,959.07 = 3,622.71 : x
  2. Step 2: Convert to fraction form
    10,644.58/15,959.07 = 3,622.71/x
  3. Step 3: Cross multiply
    10,644.58x = 15,959.07 × 3,622.71
  4. Step 4: Simplify right side
    10,644.58x = 57,815,082.48
  5. Step 5: Solve for x
    x = 57,815,082.48/10,644.58
  6. Step 6: Final answer
    x = 5,431.41

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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.