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Finding the Fourth Proportional to 2,889.48, 4,326.15 and 1,568.49

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Solution

The fourth proportional to 2,889.48, 4,326.15 and 1,568.49 is: 2,348.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889.48 : 4,326.15 = 1,568.49 : x
  2. Step 2: Convert to fraction form
    2,889.48/4,326.15 = 1,568.49/x
  3. Step 3: Cross multiply
    2,889.48x = 4,326.15 × 1,568.49
  4. Step 4: Simplify right side
    2,889.48x = 6,785,523.01
  5. Step 5: Solve for x
    x = 6,785,523.01/2,889.48
  6. Step 6: Final answer
    x = 2,348.35

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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.