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Finding the Fourth Proportional to 55,171.56, 82,745.03 and 25,585.56

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Solution

The fourth proportional to 55,171.56, 82,745.03 and 25,585.56 is: 38,372.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,171.56 : 82,745.03 = 25,585.56 : x
  2. Step 2: Convert to fraction form
    55,171.56/82,745.03 = 25,585.56/x
  3. Step 3: Cross multiply
    55,171.56x = 82,745.03 × 25,585.56
  4. Step 4: Simplify right side
    55,171.56x = 2,117,077,929.77
  5. Step 5: Solve for x
    x = 2,117,077,929.77/55,171.56
  6. Step 6: Final answer
    x = 38,372.63

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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.