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Finding the Fourth Proportional to 66,562.80, 91,853.24 and 36,342.29

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Solution

The fourth proportional to 66,562.80, 91,853.24 and 36,342.29 is: 50,150.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,562.80 : 91,853.24 = 36,342.29 : x
  2. Step 2: Convert to fraction form
    66,562.80/91,853.24 = 36,342.29/x
  3. Step 3: Cross multiply
    66,562.80x = 91,853.24 × 36,342.29
  4. Step 4: Simplify right side
    66,562.80x = 3,338,157,133.44
  5. Step 5: Solve for x
    x = 3,338,157,133.44/66,562.80
  6. Step 6: Final answer
    x = 50,150.49

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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.