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Finding the Fourth Proportional to 22,511.55, 33,746.46 and 7,716.96

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Solution

The fourth proportional to 22,511.55, 33,746.46 and 7,716.96 is: 11,568.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,511.55 : 33,746.46 = 7,716.96 : x
  2. Step 2: Convert to fraction form
    22,511.55/33,746.46 = 7,716.96/x
  3. Step 3: Cross multiply
    22,511.55x = 33,746.46 × 7,716.96
  4. Step 4: Simplify right side
    22,511.55x = 260,420,081.96
  5. Step 5: Solve for x
    x = 260,420,081.96/22,511.55
  6. Step 6: Final answer
    x = 11,568.29

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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.