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Finding the Fourth Proportional to 45,839.71, 68,864.82 and 32,361.88

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Solution

The fourth proportional to 45,839.71, 68,864.82 and 32,361.88 is: 48,617.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,839.71 : 68,864.82 = 32,361.88 : x
  2. Step 2: Convert to fraction form
    45,839.71/68,864.82 = 32,361.88/x
  3. Step 3: Cross multiply
    45,839.71x = 68,864.82 × 32,361.88
  4. Step 4: Simplify right side
    45,839.71x = 2,228,595,041.06
  5. Step 5: Solve for x
    x = 2,228,595,041.06/45,839.71
  6. Step 6: Final answer
    x = 48,617.13

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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.