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Finding the Fourth Proportional to 68,850.38, 95,014.52 and 38,633.93

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Solution

The fourth proportional to 68,850.38, 95,014.52 and 38,633.93 is: 53,315.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,850.38 : 95,014.52 = 38,633.93 : x
  2. Step 2: Convert to fraction form
    68,850.38/95,014.52 = 38,633.93/x
  3. Step 3: Cross multiply
    68,850.38x = 95,014.52 × 38,633.93
  4. Step 4: Simplify right side
    68,850.38x = 3,670,783,646.42
  5. Step 5: Solve for x
    x = 3,670,783,646.42/68,850.38
  6. Step 6: Final answer
    x = 53,315.38

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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.