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Finding the Fourth Proportional to 68,502.22, 94,532.66 and 38,287.49

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Solution

The fourth proportional to 68,502.22, 94,532.66 and 38,287.49 is: 52,836.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,502.22 : 94,532.66 = 38,287.49 : x
  2. Step 2: Convert to fraction form
    68,502.22/94,532.66 = 38,287.49/x
  3. Step 3: Cross multiply
    68,502.22x = 94,532.66 × 38,287.49
  4. Step 4: Simplify right side
    68,502.22x = 3,619,417,801.76
  5. Step 5: Solve for x
    x = 3,619,417,801.76/68,502.22
  6. Step 6: Final answer
    x = 52,836.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.