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Finding the Fourth Proportional to 22,164.80, 33,218.51 and 9,001.89

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Solution

The fourth proportional to 22,164.80, 33,218.51 and 9,001.89 is: 13,491.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,164.80 : 33,218.51 = 9,001.89 : x
  2. Step 2: Convert to fraction form
    22,164.80/33,218.51 = 9,001.89/x
  3. Step 3: Cross multiply
    22,164.80x = 33,218.51 × 9,001.89
  4. Step 4: Simplify right side
    22,164.80x = 299,029,327.97
  5. Step 5: Solve for x
    x = 299,029,327.97/22,164.80
  6. Step 6: Final answer
    x = 13,491.18

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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.