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Finding the Fourth Proportional to 22,056.80, 33,052.80 and 8,886.20

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Solution

The fourth proportional to 22,056.80, 33,052.80 and 8,886.20 is: 13,316.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,056.80 : 33,052.80 = 8,886.20 : x
  2. Step 2: Convert to fraction form
    22,056.80/33,052.80 = 8,886.20/x
  3. Step 3: Cross multiply
    22,056.80x = 33,052.80 × 8,886.20
  4. Step 4: Simplify right side
    22,056.80x = 293,713,791.36
  5. Step 5: Solve for x
    x = 293,713,791.36/22,056.80
  6. Step 6: Final answer
    x = 13,316.25

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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.