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Finding the Fourth Proportional to 5,304.64, 7,955.72 and 2,183.84

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Solution

The fourth proportional to 5,304.64, 7,955.72 and 2,183.84 is: 3,275.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,304.64 : 7,955.72 = 2,183.84 : x
  2. Step 2: Convert to fraction form
    5,304.64/7,955.72 = 2,183.84/x
  3. Step 3: Cross multiply
    5,304.64x = 7,955.72 × 2,183.84
  4. Step 4: Simplify right side
    5,304.64x = 17,374,019.56
  5. Step 5: Solve for x
    x = 17,374,019.56/5,304.64
  6. Step 6: Final answer
    x = 3,275.25

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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.