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Finding the Fourth Proportional to 2,394.40, 3,591.60 and 1,009.30

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Solution

The fourth proportional to 2,394.40, 3,591.60 and 1,009.30 is: 1,513.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,394.40 : 3,591.60 = 1,009.30 : x
  2. Step 2: Convert to fraction form
    2,394.40/3,591.60 = 1,009.30/x
  3. Step 3: Cross multiply
    2,394.40x = 3,591.60 × 1,009.30
  4. Step 4: Simplify right side
    2,394.40x = 3,625,001.88
  5. Step 5: Solve for x
    x = 3,625,001.88/2,394.40
  6. Step 6: Final answer
    x = 1,513.95

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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.