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Finding the Fourth Proportional to 3,869.54, 5,800.88 and 1,677.52

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Solution

The fourth proportional to 3,869.54, 5,800.88 and 1,677.52 is: 2,514.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,869.54 : 5,800.88 = 1,677.52 : x
  2. Step 2: Convert to fraction form
    3,869.54/5,800.88 = 1,677.52/x
  3. Step 3: Cross multiply
    3,869.54x = 5,800.88 × 1,677.52
  4. Step 4: Simplify right side
    3,869.54x = 9,731,103.66
  5. Step 5: Solve for x
    x = 9,731,103.66/3,869.54
  6. Step 6: Final answer
    x = 2,514.80

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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.