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Finding the Fourth Proportional to 66,935.30, 100,349.67 and 33,177.56

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Solution

The fourth proportional to 66,935.30, 100,349.67 and 33,177.56 is: 49,739.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,935.30 : 100,349.67 = 33,177.56 : x
  2. Step 2: Convert to fraction form
    66,935.30/100,349.67 = 33,177.56/x
  3. Step 3: Cross multiply
    66,935.30x = 100,349.67 × 33,177.56
  4. Step 4: Simplify right side
    66,935.30x = 3,329,357,197.41
  5. Step 5: Solve for x
    x = 3,329,357,197.41/66,935.30
  6. Step 6: Final answer
    x = 49,739.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.