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Finding the Fourth Proportional to 22,991.84, 34,286.56 and 22,781.64

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Solution

The fourth proportional to 22,991.84, 34,286.56 and 22,781.64 is: 33,973.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,991.84 : 34,286.56 = 22,781.64 : x
  2. Step 2: Convert to fraction form
    22,991.84/34,286.56 = 22,781.64/x
  3. Step 3: Cross multiply
    22,991.84x = 34,286.56 × 22,781.64
  4. Step 4: Simplify right side
    22,991.84x = 781,104,066.76
  5. Step 5: Solve for x
    x = 781,104,066.76/22,991.84
  6. Step 6: Final answer
    x = 33,973.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.