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Finding the Fourth Proportional to 8,950.87, 13,423.11 and 3,402.74

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Solution

The fourth proportional to 8,950.87, 13,423.11 and 3,402.74 is: 5,102.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,950.87 : 13,423.11 = 3,402.74 : x
  2. Step 2: Convert to fraction form
    8,950.87/13,423.11 = 3,402.74/x
  3. Step 3: Cross multiply
    8,950.87x = 13,423.11 × 3,402.74
  4. Step 4: Simplify right side
    8,950.87x = 45,675,353.32
  5. Step 5: Solve for x
    x = 45,675,353.32/8,950.87
  6. Step 6: Final answer
    x = 5,102.90

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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.