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Finding the Fourth Proportional to 5,956.54, 8,931.51 and 2,672.78

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Solution

The fourth proportional to 5,956.54, 8,931.51 and 2,672.78 is: 4,007.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,956.54 : 8,931.51 = 2,672.78 : x
  2. Step 2: Convert to fraction form
    5,956.54/8,931.51 = 2,672.78/x
  3. Step 3: Cross multiply
    5,956.54x = 8,931.51 × 2,672.78
  4. Step 4: Simplify right side
    5,956.54x = 23,871,961.30
  5. Step 5: Solve for x
    x = 23,871,961.30/5,956.54
  6. Step 6: Final answer
    x = 4,007.69

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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.