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Finding the Fourth Proportional to 8,888.76, 13,333.12 and 2,732.76

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Solution

The fourth proportional to 8,888.76, 13,333.12 and 2,732.76 is: 4,099.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,888.76 : 13,333.12 = 2,732.76 : x
  2. Step 2: Convert to fraction form
    8,888.76/13,333.12 = 2,732.76/x
  3. Step 3: Cross multiply
    8,888.76x = 13,333.12 × 2,732.76
  4. Step 4: Simplify right side
    8,888.76x = 36,436,217.01
  5. Step 5: Solve for x
    x = 36,436,217.01/8,888.76
  6. Step 6: Final answer
    x = 4,099.13

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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.