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Finding the Fourth Proportional to 62,169.77, 85,796.54 and 35,311.59

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Solution

The fourth proportional to 62,169.77, 85,796.54 and 35,311.59 is: 48,731.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,169.77 : 85,796.54 = 35,311.59 : x
  2. Step 2: Convert to fraction form
    62,169.77/85,796.54 = 35,311.59/x
  3. Step 3: Cross multiply
    62,169.77x = 85,796.54 × 35,311.59
  4. Step 4: Simplify right side
    62,169.77x = 3,029,612,243.90
  5. Step 5: Solve for x
    x = 3,029,612,243.90/62,169.77
  6. Step 6: Final answer
    x = 48,731.28

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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.