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Finding the Fourth Proportional to 56,745.78, 85,149.63 and 23,468.73

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Solution

The fourth proportional to 56,745.78, 85,149.63 and 23,468.73 is: 35,215.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,745.78 : 85,149.63 = 23,468.73 : x
  2. Step 2: Convert to fraction form
    56,745.78/85,149.63 = 23,468.73/x
  3. Step 3: Cross multiply
    56,745.78x = 85,149.63 × 23,468.73
  4. Step 4: Simplify right side
    56,745.78x = 1,998,353,676.07
  5. Step 5: Solve for x
    x = 1,998,353,676.07/56,745.78
  6. Step 6: Final answer
    x = 35,215.90

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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.