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Finding the Fourth Proportional to 3,250.53, 4,877.55 and 1,863

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Solution

The fourth proportional to 3,250.53, 4,877.55 and 1,863 is: 2,795.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,250.53 : 4,877.55 = 1,863 : x
  2. Step 2: Convert to fraction form
    3,250.53/4,877.55 = 1,863/x
  3. Step 3: Cross multiply
    3,250.53x = 4,877.55 × 1,863
  4. Step 4: Simplify right side
    3,250.53x = 9,086,875.65
  5. Step 5: Solve for x
    x = 9,086,875.65/3,250.53
  6. Step 6: Final answer
    x = 2,795.51

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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.