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Finding the Fourth Proportional to 4,748.13, 7,119.68 and 2,375.84

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Solution

The fourth proportional to 4,748.13, 7,119.68 and 2,375.84 is: 3,562.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,748.13 : 7,119.68 = 2,375.84 : x
  2. Step 2: Convert to fraction form
    4,748.13/7,119.68 = 2,375.84/x
  3. Step 3: Cross multiply
    4,748.13x = 7,119.68 × 2,375.84
  4. Step 4: Simplify right side
    4,748.13x = 16,915,173.05
  5. Step 5: Solve for x
    x = 16,915,173.05/4,748.13
  6. Step 6: Final answer
    x = 3,562.49

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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.