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Finding the Fourth Proportional to 22,035.76, 33,046.58 and 7,241.20

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Solution

The fourth proportional to 22,035.76, 33,046.58 and 7,241.20 is: 10,859.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,035.76 : 33,046.58 = 7,241.20 : x
  2. Step 2: Convert to fraction form
    22,035.76/33,046.58 = 7,241.20/x
  3. Step 3: Cross multiply
    22,035.76x = 33,046.58 × 7,241.20
  4. Step 4: Simplify right side
    22,035.76x = 239,296,895.10
  5. Step 5: Solve for x
    x = 239,296,895.10/22,035.76
  6. Step 6: Final answer
    x = 10,859.48

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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.