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Finding the Fourth Proportional to 68,624.62, 94,701.96 and 38,409.94

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Solution

The fourth proportional to 68,624.62, 94,701.96 and 38,409.94 is: 53,005.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,624.62 : 94,701.96 = 38,409.94 : x
  2. Step 2: Convert to fraction form
    68,624.62/94,701.96 = 38,409.94/x
  3. Step 3: Cross multiply
    68,624.62x = 94,701.96 × 38,409.94
  4. Step 4: Simplify right side
    68,624.62x = 3,637,496,364.73
  5. Step 5: Solve for x
    x = 3,637,496,364.73/68,624.62
  6. Step 6: Final answer
    x = 53,005.71

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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.