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Finding the Fourth Proportional to 73,038.38, 100,792.97 and 39,504.38

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Solution

The fourth proportional to 73,038.38, 100,792.97 and 39,504.38 is: 54,516.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,038.38 : 100,792.97 = 39,504.38 : x
  2. Step 2: Convert to fraction form
    73,038.38/100,792.97 = 39,504.38/x
  3. Step 3: Cross multiply
    73,038.38x = 100,792.97 × 39,504.38
  4. Step 4: Simplify right side
    73,038.38x = 3,981,763,788.21
  5. Step 5: Solve for x
    x = 3,981,763,788.21/73,038.38
  6. Step 6: Final answer
    x = 54,516.05

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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.