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Finding the Fourth Proportional to 68,383.86, 94,369.83 and 38,169.17

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Solution

The fourth proportional to 68,383.86, 94,369.83 and 38,169.17 is: 52,673.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,383.86 : 94,369.83 = 38,169.17 : x
  2. Step 2: Convert to fraction form
    68,383.86/94,369.83 = 38,169.17/x
  3. Step 3: Cross multiply
    68,383.86x = 94,369.83 × 38,169.17
  4. Step 4: Simplify right side
    68,383.86x = 3,602,018,084.14
  5. Step 5: Solve for x
    x = 3,602,018,084.14/68,383.86
  6. Step 6: Final answer
    x = 52,673.51

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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.