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Finding the Fourth Proportional to 8,424.77, 12,626.90 and 5,960.30

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Solution

The fourth proportional to 8,424.77, 12,626.90 and 5,960.30 is: 8,933.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,424.77 : 12,626.90 = 5,960.30 : x
  2. Step 2: Convert to fraction form
    8,424.77/12,626.90 = 5,960.30/x
  3. Step 3: Cross multiply
    8,424.77x = 12,626.90 × 5,960.30
  4. Step 4: Simplify right side
    8,424.77x = 75,260,041.49
  5. Step 5: Solve for x
    x = 75,260,041.49/8,424.77
  6. Step 6: Final answer
    x = 8,933.19

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Half scale
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Similar ratio
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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.