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Finding the Fourth Proportional to 8,474.94, 12,710 and 5,350.27

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Solution

The fourth proportional to 8,474.94, 12,710 and 5,350.27 is: 8,023.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,474.94 : 12,710 = 5,350.27 : x
  2. Step 2: Convert to fraction form
    8,474.94/12,710 = 5,350.27/x
  3. Step 3: Cross multiply
    8,474.94x = 12,710 × 5,350.27
  4. Step 4: Simplify right side
    8,474.94x = 68,001,931.70
  5. Step 5: Solve for x
    x = 68,001,931.70/8,474.94
  6. Step 6: Final answer
    x = 8,023.88

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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.