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Finding the Fourth Proportional to 66,506.94, 91,775.97 and 37,822.73

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Solution

The fourth proportional to 66,506.94, 91,775.97 and 37,822.73 is: 52,193.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,506.94 : 91,775.97 = 37,822.73 : x
  2. Step 2: Convert to fraction form
    66,506.94/91,775.97 = 37,822.73/x
  3. Step 3: Cross multiply
    66,506.94x = 91,775.97 × 37,822.73
  4. Step 4: Simplify right side
    66,506.94x = 3,471,217,274.92
  5. Step 5: Solve for x
    x = 3,471,217,274.92/66,506.94
  6. Step 6: Final answer
    x = 52,193.31

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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.