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Finding the Fourth Proportional to 68,998.74, 95,216.67 and 38,369.76

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Solution

The fourth proportional to 68,998.74, 95,216.67 and 38,369.76 is: 52,949.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,998.74 : 95,216.67 = 38,369.76 : x
  2. Step 2: Convert to fraction form
    68,998.74/95,216.67 = 38,369.76/x
  3. Step 3: Cross multiply
    68,998.74x = 95,216.67 × 38,369.76
  4. Step 4: Simplify right side
    68,998.74x = 3,653,440,775.90
  5. Step 5: Solve for x
    x = 3,653,440,775.90/68,998.74
  6. Step 6: Final answer
    x = 52,949.38

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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.