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Finding the Fourth Proportional to 73,408.57, 110,112.86 and 18,004.57

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Solution

The fourth proportional to 73,408.57, 110,112.86 and 18,004.57 is: 27,006.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,408.57 : 110,112.86 = 18,004.57 : x
  2. Step 2: Convert to fraction form
    73,408.57/110,112.86 = 18,004.57/x
  3. Step 3: Cross multiply
    73,408.57x = 110,112.86 × 18,004.57
  4. Step 4: Simplify right side
    73,408.57x = 1,982,534,465.50
  5. Step 5: Solve for x
    x = 1,982,534,465.50/73,408.57
  6. Step 6: Final answer
    x = 27,006.85

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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.