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Finding the Fourth Proportional to 6,248.95, 9,375.09 and 1,866.45

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Solution

The fourth proportional to 6,248.95, 9,375.09 and 1,866.45 is: 2,800.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,248.95 : 9,375.09 = 1,866.45 : x
  2. Step 2: Convert to fraction form
    6,248.95/9,375.09 = 1,866.45/x
  3. Step 3: Cross multiply
    6,248.95x = 9,375.09 × 1,866.45
  4. Step 4: Simplify right side
    6,248.95x = 17,498,136.73
  5. Step 5: Solve for x
    x = 17,498,136.73/6,248.95
  6. Step 6: Final answer
    x = 2,800.17

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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.