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Finding the Fourth Proportional to 5,615.47, 8,425.03 and 2,694

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Solution

The fourth proportional to 5,615.47, 8,425.03 and 2,694 is: 4,041.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615.47 : 8,425.03 = 2,694 : x
  2. Step 2: Convert to fraction form
    5,615.47/8,425.03 = 2,694/x
  3. Step 3: Cross multiply
    5,615.47x = 8,425.03 × 2,694
  4. Step 4: Simplify right side
    5,615.47x = 22,697,030.82
  5. Step 5: Solve for x
    x = 22,697,030.82/5,615.47
  6. Step 6: Final answer
    x = 4,041.88

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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.