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Finding the Fourth Proportional to 68,277.76, 94,223.68 and 38,065

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Solution

The fourth proportional to 68,277.76, 94,223.68 and 38,065 is: 52,529.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,277.76 : 94,223.68 = 38,065 : x
  2. Step 2: Convert to fraction form
    68,277.76/94,223.68 = 38,065/x
  3. Step 3: Cross multiply
    68,277.76x = 94,223.68 × 38,065
  4. Step 4: Simplify right side
    68,277.76x = 3,586,624,379.20
  5. Step 5: Solve for x
    x = 3,586,624,379.20/68,277.76
  6. Step 6: Final answer
    x = 52,529.91

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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.