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Finding the Fourth Proportional to 22,387.84, 33,581.36 and 9,066.88

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Solution

The fourth proportional to 22,387.84, 33,581.36 and 9,066.88 is: 13,600.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,387.84 : 33,581.36 = 9,066.88 : x
  2. Step 2: Convert to fraction form
    22,387.84/33,581.36 = 9,066.88/x
  3. Step 3: Cross multiply
    22,387.84x = 33,581.36 × 9,066.88
  4. Step 4: Simplify right side
    22,387.84x = 304,478,161.36
  5. Step 5: Solve for x
    x = 304,478,161.36/22,387.84
  6. Step 6: Final answer
    x = 13,600.16

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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.