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Finding the Fourth Proportional to 37,191.56, 55,745.16 and 18,448.16

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Solution

The fourth proportional to 37,191.56, 55,745.16 and 18,448.16 is: 27,651.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,191.56 : 55,745.16 = 18,448.16 : x
  2. Step 2: Convert to fraction form
    37,191.56/55,745.16 = 18,448.16/x
  3. Step 3: Cross multiply
    37,191.56x = 55,745.16 × 18,448.16
  4. Step 4: Simplify right side
    37,191.56x = 1,028,395,630.91
  5. Step 5: Solve for x
    x = 1,028,395,630.91/37,191.56
  6. Step 6: Final answer
    x = 27,651.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.