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Finding the Fourth Proportional to 66,227.63, 91,394.12 and 37,935.14

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Solution

The fourth proportional to 66,227.63, 91,394.12 and 37,935.14 is: 52,350.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,227.63 : 91,394.12 = 37,935.14 : x
  2. Step 2: Convert to fraction form
    66,227.63/91,394.12 = 37,935.14/x
  3. Step 3: Cross multiply
    66,227.63x = 91,394.12 × 37,935.14
  4. Step 4: Simplify right side
    66,227.63x = 3,467,048,375.24
  5. Step 5: Solve for x
    x = 3,467,048,375.24/66,227.63
  6. Step 6: Final answer
    x = 52,350.49

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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.