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Finding the Fourth Proportional to 7,324.79, 10,987.86 and 2,394.46

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Solution

The fourth proportional to 7,324.79, 10,987.86 and 2,394.46 is: 3,591.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,324.79 : 10,987.86 = 2,394.46 : x
  2. Step 2: Convert to fraction form
    7,324.79/10,987.86 = 2,394.46/x
  3. Step 3: Cross multiply
    7,324.79x = 10,987.86 × 2,394.46
  4. Step 4: Simplify right side
    7,324.79x = 26,309,936.32
  5. Step 5: Solve for x
    x = 26,309,936.32/7,324.79
  6. Step 6: Final answer
    x = 3,591.90

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1.5x scale

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.