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Finding the Fourth Proportional to 61,774.76, 85,249.59 and 33,480.92

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Solution

The fourth proportional to 61,774.76, 85,249.59 and 33,480.92 is: 46,203.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,774.76 : 85,249.59 = 33,480.92 : x
  2. Step 2: Convert to fraction form
    61,774.76/85,249.59 = 33,480.92/x
  3. Step 3: Cross multiply
    61,774.76x = 85,249.59 × 33,480.92
  4. Step 4: Simplify right side
    61,774.76x = 2,854,234,702.82
  5. Step 5: Solve for x
    x = 2,854,234,702.82/61,774.76
  6. Step 6: Final answer
    x = 46,203.90

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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.