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Finding the Fourth Proportional to 68,842.88, 95,004.61 and 38,630.38

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Solution

The fourth proportional to 68,842.88, 95,004.61 and 38,630.38 is: 53,310.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,842.88 : 95,004.61 = 38,630.38 : x
  2. Step 2: Convert to fraction form
    68,842.88/95,004.61 = 38,630.38/x
  3. Step 3: Cross multiply
    68,842.88x = 95,004.61 × 38,630.38
  4. Step 4: Simplify right side
    68,842.88x = 3,670,064,186.05
  5. Step 5: Solve for x
    x = 3,670,064,186.05/68,842.88
  6. Step 6: Final answer
    x = 53,310.73

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1.5x scale

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.