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Finding the Fourth Proportional to 8,983.70, 13,482.62 and 6,229.76

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Solution

The fourth proportional to 8,983.70, 13,482.62 and 6,229.76 is: 9,349.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,983.70 : 13,482.62 = 6,229.76 : x
  2. Step 2: Convert to fraction form
    8,983.70/13,482.62 = 6,229.76/x
  3. Step 3: Cross multiply
    8,983.70x = 13,482.62 × 6,229.76
  4. Step 4: Simplify right side
    8,983.70x = 83,993,388.21
  5. Step 5: Solve for x
    x = 83,993,388.21/8,983.70
  6. Step 6: Final answer
    x = 9,349.53

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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.