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Finding the Fourth Proportional to 73,110.11, 100,892.25 and 39,576.11

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Solution

The fourth proportional to 73,110.11, 100,892.25 and 39,576.11 is: 54,615.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,110.11 : 100,892.25 = 39,576.11 : x
  2. Step 2: Convert to fraction form
    73,110.11/100,892.25 = 39,576.11/x
  3. Step 3: Cross multiply
    73,110.11x = 100,892.25 × 39,576.11
  4. Step 4: Simplify right side
    73,110.11x = 3,992,922,279.69
  5. Step 5: Solve for x
    x = 3,992,922,279.69/73,110.11
  6. Step 6: Final answer
    x = 54,615.19

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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.