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Finding the Fourth Proportional to 3,039.96, 4,557.03 and 958.53

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Solution

The fourth proportional to 3,039.96, 4,557.03 and 958.53 is: 1,436.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.96 : 4,557.03 = 958.53 : x
  2. Step 2: Convert to fraction form
    3,039.96/4,557.03 = 958.53/x
  3. Step 3: Cross multiply
    3,039.96x = 4,557.03 × 958.53
  4. Step 4: Simplify right side
    3,039.96x = 4,368,049.97
  5. Step 5: Solve for x
    x = 4,368,049.97/3,039.96
  6. Step 6: Final answer
    x = 1,436.88

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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.