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Finding the Fourth Proportional to 3,335.98, 5,001.18 and 1,579.98

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Solution

The fourth proportional to 3,335.98, 5,001.18 and 1,579.98 is: 2,368.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,335.98 : 5,001.18 = 1,579.98 : x
  2. Step 2: Convert to fraction form
    3,335.98/5,001.18 = 1,579.98/x
  3. Step 3: Cross multiply
    3,335.98x = 5,001.18 × 1,579.98
  4. Step 4: Simplify right side
    3,335.98x = 7,901,764.38
  5. Step 5: Solve for x
    x = 7,901,764.38/3,335.98
  6. Step 6: Final answer
    x = 2,368.65

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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.