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Finding the Fourth Proportional to 3,253.89, 4,876.92 and 1,868.16

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Solution

The fourth proportional to 3,253.89, 4,876.92 and 1,868.16 is: 2,799.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,253.89 : 4,876.92 = 1,868.16 : x
  2. Step 2: Convert to fraction form
    3,253.89/4,876.92 = 1,868.16/x
  3. Step 3: Cross multiply
    3,253.89x = 4,876.92 × 1,868.16
  4. Step 4: Simplify right side
    3,253.89x = 9,110,866.87
  5. Step 5: Solve for x
    x = 9,110,866.87/3,253.89
  6. Step 6: Final answer
    x = 2,799.99

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1.5x scale

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.