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Finding the Fourth Proportional to 66,352.76, 91,566.80 and 36,544.76

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Solution

The fourth proportional to 66,352.76, 91,566.80 and 36,544.76 is: 50,431.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,352.76 : 91,566.80 = 36,544.76 : x
  2. Step 2: Convert to fraction form
    66,352.76/91,566.80 = 36,544.76/x
  3. Step 3: Cross multiply
    66,352.76x = 91,566.80 × 36,544.76
  4. Step 4: Simplify right side
    66,352.76x = 3,346,286,729.97
  5. Step 5: Solve for x
    x = 3,346,286,729.97/66,352.76
  6. Step 6: Final answer
    x = 50,431.76

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Half scale
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Double scale
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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.