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Finding the Fourth Proportional to 5,063.28, 7,597.80 and 1,987.44

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Solution

The fourth proportional to 5,063.28, 7,597.80 and 1,987.44 is: 2,982.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,063.28 : 7,597.80 = 1,987.44 : x
  2. Step 2: Convert to fraction form
    5,063.28/7,597.80 = 1,987.44/x
  3. Step 3: Cross multiply
    5,063.28x = 7,597.80 × 1,987.44
  4. Step 4: Simplify right side
    5,063.28x = 15,100,171.63
  5. Step 5: Solve for x
    x = 15,100,171.63/5,063.28
  6. Step 6: Final answer
    x = 2,982.29

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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.