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Finding the Fourth Proportional to 8,011.68, 12,022.68 and 4,316.49

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Solution

The fourth proportional to 8,011.68, 12,022.68 and 4,316.49 is: 6,477.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,011.68 : 12,022.68 = 4,316.49 : x
  2. Step 2: Convert to fraction form
    8,011.68/12,022.68 = 4,316.49/x
  3. Step 3: Cross multiply
    8,011.68x = 12,022.68 × 4,316.49
  4. Step 4: Simplify right side
    8,011.68x = 51,895,717.88
  5. Step 5: Solve for x
    x = 51,895,717.88/8,011.68
  6. Step 6: Final answer
    x = 6,477.51

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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.