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Finding the Fourth Proportional to 37,249.92, 51,404.16 and 20,483.20

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Solution

The fourth proportional to 37,249.92, 51,404.16 and 20,483.20 is: 28,266.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,249.92 : 51,404.16 = 20,483.20 : x
  2. Step 2: Convert to fraction form
    37,249.92/51,404.16 = 20,483.20/x
  3. Step 3: Cross multiply
    37,249.92x = 51,404.16 × 20,483.20
  4. Step 4: Simplify right side
    37,249.92x = 1,052,921,690.11
  5. Step 5: Solve for x
    x = 1,052,921,690.11/37,249.92
  6. Step 6: Final answer
    x = 28,266.41

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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.