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Finding the Fourth Proportional to 66,460.76, 91,716.56 and 36,245.84

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Solution

The fourth proportional to 66,460.76, 91,716.56 and 36,245.84 is: 50,019.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,460.76 : 91,716.56 = 36,245.84 : x
  2. Step 2: Convert to fraction form
    66,460.76/91,716.56 = 36,245.84/x
  3. Step 3: Cross multiply
    66,460.76x = 91,716.56 × 36,245.84
  4. Step 4: Simplify right side
    66,460.76x = 3,324,343,391.14
  5. Step 5: Solve for x
    x = 3,324,343,391.14/66,460.76
  6. Step 6: Final answer
    x = 50,019.65

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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.