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Finding the Fourth Proportional to 2,841.18, 4,250.62 and 1,869.18

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Solution

The fourth proportional to 2,841.18, 4,250.62 and 1,869.18 is: 2,796.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,841.18 : 4,250.62 = 1,869.18 : x
  2. Step 2: Convert to fraction form
    2,841.18/4,250.62 = 1,869.18/x
  3. Step 3: Cross multiply
    2,841.18x = 4,250.62 × 1,869.18
  4. Step 4: Simplify right side
    2,841.18x = 7,945,173.89
  5. Step 5: Solve for x
    x = 7,945,173.89/2,841.18
  6. Step 6: Final answer
    x = 2,796.43

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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.