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Finding the Fourth Proportional to 64,993.20, 97,493.27 and 18,249.72

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Solution

The fourth proportional to 64,993.20, 97,493.27 and 18,249.72 is: 27,375.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,993.20 : 97,493.27 = 18,249.72 : x
  2. Step 2: Convert to fraction form
    64,993.20/97,493.27 = 18,249.72/x
  3. Step 3: Cross multiply
    64,993.20x = 97,493.27 × 18,249.72
  4. Step 4: Simplify right side
    64,993.20x = 1,779,224,879.38
  5. Step 5: Solve for x
    x = 1,779,224,879.38/64,993.20
  6. Step 6: Final answer
    x = 27,375.55

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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.