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Finding the Fourth Proportional to 7,322.60, 10,983.90 and 5,364.20

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Solution

The fourth proportional to 7,322.60, 10,983.90 and 5,364.20 is: 8,046.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,322.60 : 10,983.90 = 5,364.20 : x
  2. Step 2: Convert to fraction form
    7,322.60/10,983.90 = 5,364.20/x
  3. Step 3: Cross multiply
    7,322.60x = 10,983.90 × 5,364.20
  4. Step 4: Simplify right side
    7,322.60x = 58,919,836.38
  5. Step 5: Solve for x
    x = 58,919,836.38/7,322.60
  6. Step 6: Final answer
    x = 8,046.30

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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.