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Finding the Fourth Proportional to 25,062.77, 37,589.44 and 12,579.44

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Solution

The fourth proportional to 25,062.77, 37,589.44 and 12,579.44 is: 18,866.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,062.77 : 37,589.44 = 12,579.44 : x
  2. Step 2: Convert to fraction form
    25,062.77/37,589.44 = 12,579.44/x
  3. Step 3: Cross multiply
    25,062.77x = 37,589.44 × 12,579.44
  4. Step 4: Simplify right side
    25,062.77x = 472,854,105.11
  5. Step 5: Solve for x
    x = 472,854,105.11/25,062.77
  6. Step 6: Final answer
    x = 18,866.79

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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.