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Finding the Fourth Proportional to 8,193.84, 12,290.76 and 2,998.52

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Solution

The fourth proportional to 8,193.84, 12,290.76 and 2,998.52 is: 4,497.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,193.84 : 12,290.76 = 2,998.52 : x
  2. Step 2: Convert to fraction form
    8,193.84/12,290.76 = 2,998.52/x
  3. Step 3: Cross multiply
    8,193.84x = 12,290.76 × 2,998.52
  4. Step 4: Simplify right side
    8,193.84x = 36,854,089.68
  5. Step 5: Solve for x
    x = 36,854,089.68/8,193.84
  6. Step 6: Final answer
    x = 4,497.78

Related Problems

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Half scale
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Double 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.