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Finding the Fourth Proportional to 89,164.57, 133,745.52 and 21,697.24

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Solution

The fourth proportional to 89,164.57, 133,745.52 and 21,697.24 is: 32,545.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,164.57 : 133,745.52 = 21,697.24 : x
  2. Step 2: Convert to fraction form
    89,164.57/133,745.52 = 21,697.24/x
  3. Step 3: Cross multiply
    89,164.57x = 133,745.52 × 21,697.24
  4. Step 4: Simplify right side
    89,164.57x = 2,901,907,977.64
  5. Step 5: Solve for x
    x = 2,901,907,977.64/89,164.57
  6. Step 6: Final answer
    x = 32,545.53

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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.