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Finding the Fourth Proportional to 7,241.68, 10,863.80 and 2,624.08

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Solution

The fourth proportional to 7,241.68, 10,863.80 and 2,624.08 is: 3,936.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,241.68 : 10,863.80 = 2,624.08 : x
  2. Step 2: Convert to fraction form
    7,241.68/10,863.80 = 2,624.08/x
  3. Step 3: Cross multiply
    7,241.68x = 10,863.80 × 2,624.08
  4. Step 4: Simplify right side
    7,241.68x = 28,507,480.30
  5. Step 5: Solve for x
    x = 28,507,480.30/7,241.68
  6. Step 6: Final answer
    x = 3,936.58

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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.