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Finding the Fourth Proportional to 8,424.92, 12,627.12 and 5,960.45

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Solution

The fourth proportional to 8,424.92, 12,627.12 and 5,960.45 is: 8,933.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,424.92 : 12,627.12 = 5,960.45 : x
  2. Step 2: Convert to fraction form
    8,424.92/12,627.12 = 5,960.45/x
  3. Step 3: Cross multiply
    8,424.92x = 12,627.12 × 5,960.45
  4. Step 4: Simplify right side
    8,424.92x = 75,263,254.27
  5. Step 5: Solve for x
    x = 75,263,254.27/8,424.92
  6. Step 6: Final answer
    x = 8,933.41

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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.