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Finding the Fourth Proportional to 66,238.62, 91,393.68 and 44,768.34

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Solution

The fourth proportional to 66,238.62, 91,393.68 and 44,768.34 is: 61,769.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,238.62 : 91,393.68 = 44,768.34 : x
  2. Step 2: Convert to fraction form
    66,238.62/91,393.68 = 44,768.34/x
  3. Step 3: Cross multiply
    66,238.62x = 91,393.68 × 44,768.34
  4. Step 4: Simplify right side
    66,238.62x = 4,091,543,340.09
  5. Step 5: Solve for x
    x = 4,091,543,340.09/66,238.62
  6. Step 6: Final answer
    x = 61,769.76

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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.