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Finding the Fourth Proportional to 2,002.69, 3,004.26 and 615.97

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Solution

The fourth proportional to 2,002.69, 3,004.26 and 615.97 is: 924.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,002.69 : 3,004.26 = 615.97 : x
  2. Step 2: Convert to fraction form
    2,002.69/3,004.26 = 615.97/x
  3. Step 3: Cross multiply
    2,002.69x = 3,004.26 × 615.97
  4. Step 4: Simplify right side
    2,002.69x = 1,850,534.03
  5. Step 5: Solve for x
    x = 1,850,534.03/2,002.69
  6. Step 6: Final answer
    x = 924.02

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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.