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Finding the Fourth Proportional to 22,007.56, 33,011.64 and 7,217.62

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Solution

The fourth proportional to 22,007.56, 33,011.64 and 7,217.62 is: 10,826.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,007.56 : 33,011.64 = 7,217.62 : x
  2. Step 2: Convert to fraction form
    22,007.56/33,011.64 = 7,217.62/x
  3. Step 3: Cross multiply
    22,007.56x = 33,011.64 × 7,217.62
  4. Step 4: Simplify right side
    22,007.56x = 238,265,473.10
  5. Step 5: Solve for x
    x = 238,265,473.10/22,007.56
  6. Step 6: Final answer
    x = 10,826.53

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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.