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Finding the Fourth Proportional to 66,473.44, 91,729.20 and 36,666.08

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Solution

The fourth proportional to 66,473.44, 91,729.20 and 36,666.08 is: 50,596.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,473.44 : 91,729.20 = 36,666.08 : x
  2. Step 2: Convert to fraction form
    66,473.44/91,729.20 = 36,666.08/x
  3. Step 3: Cross multiply
    66,473.44x = 91,729.20 × 36,666.08
  4. Step 4: Simplify right side
    66,473.44x = 3,363,350,185.54
  5. Step 5: Solve for x
    x = 3,363,350,185.54/66,473.44
  6. Step 6: Final answer
    x = 50,596.90

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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.