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Finding the Fourth Proportional to 4,839.76, 7,258.60 and 2,372.16

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Solution

The fourth proportional to 4,839.76, 7,258.60 and 2,372.16 is: 3,557.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,839.76 : 7,258.60 = 2,372.16 : x
  2. Step 2: Convert to fraction form
    4,839.76/7,258.60 = 2,372.16/x
  3. Step 3: Cross multiply
    4,839.76x = 7,258.60 × 2,372.16
  4. Step 4: Simplify right side
    4,839.76x = 17,218,560.58
  5. Step 5: Solve for x
    x = 17,218,560.58/4,839.76
  6. Step 6: Final answer
    x = 3,557.73

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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.