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Finding the Fourth Proportional to 74,734.82, 112,122.72 and 37,249.64

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Solution

The fourth proportional to 74,734.82, 112,122.72 and 37,249.64 is: 55,884.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,734.82 : 112,122.72 = 37,249.64 : x
  2. Step 2: Convert to fraction form
    74,734.82/112,122.72 = 37,249.64/x
  3. Step 3: Cross multiply
    74,734.82x = 112,122.72 × 37,249.64
  4. Step 4: Simplify right side
    74,734.82x = 4,176,530,395.21
  5. Step 5: Solve for x
    x = 4,176,530,395.21/74,734.82
  6. Step 6: Final answer
    x = 55,884.67

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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.