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Finding the Fourth Proportional to 68,581.04, 94,639.66 and 38,366.89

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Solution

The fourth proportional to 68,581.04, 94,639.66 and 38,366.89 is: 52,945.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,581.04 : 94,639.66 = 38,366.89 : x
  2. Step 2: Convert to fraction form
    68,581.04/94,639.66 = 38,366.89/x
  3. Step 3: Cross multiply
    68,581.04x = 94,639.66 × 38,366.89
  4. Step 4: Simplify right side
    68,581.04x = 3,631,029,092.34
  5. Step 5: Solve for x
    x = 3,631,029,092.34/68,581.04
  6. Step 6: Final answer
    x = 52,945.09

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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.