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Finding the Fourth Proportional to 11,373.16, 17,053.80 and 3,579.88

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Solution

The fourth proportional to 11,373.16, 17,053.80 and 3,579.88 is: 5,367.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,373.16 : 17,053.80 = 3,579.88 : x
  2. Step 2: Convert to fraction form
    11,373.16/17,053.80 = 3,579.88/x
  3. Step 3: Cross multiply
    11,373.16x = 17,053.80 × 3,579.88
  4. Step 4: Simplify right side
    11,373.16x = 61,050,557.54
  5. Step 5: Solve for x
    x = 61,050,557.54/11,373.16
  6. Step 6: Final answer
    x = 5,367.95

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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.