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Finding the Fourth Proportional to 61,621.05, 85,037.05 and 33,326.73

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Solution

The fourth proportional to 61,621.05, 85,037.05 and 33,326.73 is: 45,990.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,621.05 : 85,037.05 = 33,326.73 : x
  2. Step 2: Convert to fraction form
    61,621.05/85,037.05 = 33,326.73/x
  3. Step 3: Cross multiply
    61,621.05x = 85,037.05 × 33,326.73
  4. Step 4: Simplify right side
    61,621.05x = 2,834,007,010.75
  5. Step 5: Solve for x
    x = 2,834,007,010.75/61,621.05
  6. Step 6: Final answer
    x = 45,990.89

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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.