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Finding the Fourth Proportional to 22,251.80, 33,396.60 and 9,113.60

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Solution

The fourth proportional to 22,251.80, 33,396.60 and 9,113.60 is: 13,678.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,251.80 : 33,396.60 = 9,113.60 : x
  2. Step 2: Convert to fraction form
    22,251.80/33,396.60 = 9,113.60/x
  3. Step 3: Cross multiply
    22,251.80x = 33,396.60 × 9,113.60
  4. Step 4: Simplify right side
    22,251.80x = 304,363,253.76
  5. Step 5: Solve for x
    x = 304,363,253.76/22,251.80
  6. Step 6: Final answer
    x = 13,678.14

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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.