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Finding the Fourth Proportional to 68,876.93, 95,050.06 and 38,662.28

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Solution

The fourth proportional to 68,876.93, 95,050.06 and 38,662.28 is: 53,353.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,876.93 : 95,050.06 = 38,662.28 : x
  2. Step 2: Convert to fraction form
    68,876.93/95,050.06 = 38,662.28/x
  3. Step 3: Cross multiply
    68,876.93x = 95,050.06 × 38,662.28
  4. Step 4: Simplify right side
    68,876.93x = 3,674,851,818.27
  5. Step 5: Solve for x
    x = 3,674,851,818.27/68,876.93
  6. Step 6: Final answer
    x = 53,353.88

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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.