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Finding the Fourth Proportional to 5,754.64, 7,944.08 and 4,338.90

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Solution

The fourth proportional to 5,754.64, 7,944.08 and 4,338.90 is: 5,989.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,754.64 : 7,944.08 = 4,338.90 : x
  2. Step 2: Convert to fraction form
    5,754.64/7,944.08 = 4,338.90/x
  3. Step 3: Cross multiply
    5,754.64x = 7,944.08 × 4,338.90
  4. Step 4: Simplify right side
    5,754.64x = 34,468,568.71
  5. Step 5: Solve for x
    x = 34,468,568.71/5,754.64
  6. Step 6: Final answer
    x = 5,989.70

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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.