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Finding the Fourth Proportional to 8,248.68, 11,382.84 and 4,522.68

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Solution

The fourth proportional to 8,248.68, 11,382.84 and 4,522.68 is: 6,241.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,248.68 : 11,382.84 = 4,522.68 : x
  2. Step 2: Convert to fraction form
    8,248.68/11,382.84 = 4,522.68/x
  3. Step 3: Cross multiply
    8,248.68x = 11,382.84 × 4,522.68
  4. Step 4: Simplify right side
    8,248.68x = 51,480,942.81
  5. Step 5: Solve for x
    x = 51,480,942.81/8,248.68
  6. Step 6: Final answer
    x = 6,241.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.