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Finding the Fourth Proportional to 5,272.74, 7,913.02 and 2,499.42

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Solution

The fourth proportional to 5,272.74, 7,913.02 and 2,499.42 is: 3,750.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.74 : 7,913.02 = 2,499.42 : x
  2. Step 2: Convert to fraction form
    5,272.74/7,913.02 = 2,499.42/x
  3. Step 3: Cross multiply
    5,272.74x = 7,913.02 × 2,499.42
  4. Step 4: Simplify right side
    5,272.74x = 19,777,930.77
  5. Step 5: Solve for x
    x = 19,777,930.77/5,272.74
  6. Step 6: Final answer
    x = 3,750.98

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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.