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Finding the Fourth Proportional to 61,750.75, 85,216.12 and 33,456.44

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Solution

The fourth proportional to 61,750.75, 85,216.12 and 33,456.44 is: 46,169.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,750.75 : 85,216.12 = 33,456.44 : x
  2. Step 2: Convert to fraction form
    61,750.75/85,216.12 = 33,456.44/x
  3. Step 3: Cross multiply
    61,750.75x = 85,216.12 × 33,456.44
  4. Step 4: Simplify right side
    61,750.75x = 2,851,028,005.81
  5. Step 5: Solve for x
    x = 2,851,028,005.81/61,750.75
  6. Step 6: Final answer
    x = 46,169.93

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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.