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Finding the Fourth Proportional to 4,994.40, 7,489.92 and 2,395.68

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Solution

The fourth proportional to 4,994.40, 7,489.92 and 2,395.68 is: 3,592.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,994.40 : 7,489.92 = 2,395.68 : x
  2. Step 2: Convert to fraction form
    4,994.40/7,489.92 = 2,395.68/x
  3. Step 3: Cross multiply
    4,994.40x = 7,489.92 × 2,395.68
  4. Step 4: Simplify right side
    4,994.40x = 17,943,451.55
  5. Step 5: Solve for x
    x = 17,943,451.55/4,994.40
  6. Step 6: Final answer
    x = 3,592.71

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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.