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Finding the Fourth Proportional to 66,232.56, 91,400.88 and 36,424.56

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Solution

The fourth proportional to 66,232.56, 91,400.88 and 36,424.56 is: 50,265.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,232.56 : 91,400.88 = 36,424.56 : x
  2. Step 2: Convert to fraction form
    66,232.56/91,400.88 = 36,424.56/x
  3. Step 3: Cross multiply
    66,232.56x = 91,400.88 × 36,424.56
  4. Step 4: Simplify right side
    66,232.56x = 3,329,236,837.61
  5. Step 5: Solve for x
    x = 3,329,236,837.61/66,232.56
  6. Step 6: Final answer
    x = 50,265.86

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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.