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Finding the Fourth Proportional to 67,377.96, 101,072.07 and 39,300.81

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Solution

The fourth proportional to 67,377.96, 101,072.07 and 39,300.81 is: 58,954.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,377.96 : 101,072.07 = 39,300.81 : x
  2. Step 2: Convert to fraction form
    67,377.96/101,072.07 = 39,300.81/x
  3. Step 3: Cross multiply
    67,377.96x = 101,072.07 × 39,300.81
  4. Step 4: Simplify right side
    67,377.96x = 3,972,214,219.38
  5. Step 5: Solve for x
    x = 3,972,214,219.38/67,377.96
  6. Step 6: Final answer
    x = 58,954.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.