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Finding the Fourth Proportional to 66,049.96, 91,150.50 and 37,758.28

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Solution

The fourth proportional to 66,049.96, 91,150.50 and 37,758.28 is: 52,107.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,049.96 : 91,150.50 = 37,758.28 : x
  2. Step 2: Convert to fraction form
    66,049.96/91,150.50 = 37,758.28/x
  3. Step 3: Cross multiply
    66,049.96x = 91,150.50 × 37,758.28
  4. Step 4: Simplify right side
    66,049.96x = 3,441,686,101.14
  5. Step 5: Solve for x
    x = 3,441,686,101.14/66,049.96
  6. Step 6: Final answer
    x = 52,107.32

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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.