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Finding the Fourth Proportional to 61,745.37, 85,209.03 and 33,451.08

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Solution

The fourth proportional to 61,745.37, 85,209.03 and 33,451.08 is: 46,162.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,745.37 : 85,209.03 = 33,451.08 : x
  2. Step 2: Convert to fraction form
    61,745.37/85,209.03 = 33,451.08/x
  3. Step 3: Cross multiply
    61,745.37x = 85,209.03 × 33,451.08
  4. Step 4: Simplify right side
    61,745.37x = 2,850,334,079.25
  5. Step 5: Solve for x
    x = 2,850,334,079.25/61,745.37
  6. Step 6: Final answer
    x = 46,162.72

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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.