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Finding the Fourth Proportional to 66,684.56, 92,022.36 and 36,470.48

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Solution

The fourth proportional to 66,684.56, 92,022.36 and 36,470.48 is: 50,327.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,684.56 : 92,022.36 = 36,470.48 : x
  2. Step 2: Convert to fraction form
    66,684.56/92,022.36 = 36,470.48/x
  3. Step 3: Cross multiply
    66,684.56x = 92,022.36 × 36,470.48
  4. Step 4: Simplify right side
    66,684.56x = 3,356,099,639.93
  5. Step 5: Solve for x
    x = 3,356,099,639.93/66,684.56
  6. Step 6: Final answer
    x = 50,327.99

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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.