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Finding the Fourth Proportional to 3,966.76, 5,946.54 and 1,367.92

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Solution

The fourth proportional to 3,966.76, 5,946.54 and 1,367.92 is: 2,050.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.76 : 5,946.54 = 1,367.92 : x
  2. Step 2: Convert to fraction form
    3,966.76/5,946.54 = 1,367.92/x
  3. Step 3: Cross multiply
    3,966.76x = 5,946.54 × 1,367.92
  4. Step 4: Simplify right side
    3,966.76x = 8,134,391.00
  5. Step 5: Solve for x
    x = 8,134,391.00/3,966.76
  6. Step 6: Final answer
    x = 2,050.64

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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.