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Finding the Fourth Proportional to 8,744.76, 12,063.93 and 5,911.11

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Solution

The fourth proportional to 8,744.76, 12,063.93 and 5,911.11 is: 8,154.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,744.76 : 12,063.93 = 5,911.11 : x
  2. Step 2: Convert to fraction form
    8,744.76/12,063.93 = 5,911.11/x
  3. Step 3: Cross multiply
    8,744.76x = 12,063.93 × 5,911.11
  4. Step 4: Simplify right side
    8,744.76x = 71,311,217.26
  5. Step 5: Solve for x
    x = 71,311,217.26/8,744.76
  6. Step 6: Final answer
    x = 8,154.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.