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Finding the Fourth Proportional to 4,899, 7,348.62 and 1,251

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Solution

The fourth proportional to 4,899, 7,348.62 and 1,251 is: 1,876.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,899 : 7,348.62 = 1,251 : x
  2. Step 2: Convert to fraction form
    4,899/7,348.62 = 1,251/x
  3. Step 3: Cross multiply
    4,899x = 7,348.62 × 1,251
  4. Step 4: Simplify right side
    4,899x = 9,193,123.62
  5. Step 5: Solve for x
    x = 9,193,123.62/4,899
  6. Step 6: Final answer
    x = 1,876.53

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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.