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Finding the Fourth Proportional to 2,394.82, 3,591.27 and 1,007.20

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Solution

The fourth proportional to 2,394.82, 3,591.27 and 1,007.20 is: 1,510.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,394.82 : 3,591.27 = 1,007.20 : x
  2. Step 2: Convert to fraction form
    2,394.82/3,591.27 = 1,007.20/x
  3. Step 3: Cross multiply
    2,394.82x = 3,591.27 × 1,007.20
  4. Step 4: Simplify right side
    2,394.82x = 3,617,127.14
  5. Step 5: Solve for x
    x = 3,617,127.14/2,394.82
  6. Step 6: Final answer
    x = 1,510.40

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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.