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Finding the Fourth Proportional to 22,304.68, 33,446.44 and 12,947.60

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Solution

The fourth proportional to 22,304.68, 33,446.44 and 12,947.60 is: 19,415.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,304.68 : 33,446.44 = 12,947.60 : x
  2. Step 2: Convert to fraction form
    22,304.68/33,446.44 = 12,947.60/x
  3. Step 3: Cross multiply
    22,304.68x = 33,446.44 × 12,947.60
  4. Step 4: Simplify right side
    22,304.68x = 433,050,965.38
  5. Step 5: Solve for x
    x = 433,050,965.38/22,304.68
  6. Step 6: Final answer
    x = 19,415.25

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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.