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Finding the Fourth Proportional to 25,162.56, 37,744.56 and 11,311.56

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Solution

The fourth proportional to 25,162.56, 37,744.56 and 11,311.56 is: 16,967.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,162.56 : 37,744.56 = 11,311.56 : x
  2. Step 2: Convert to fraction form
    25,162.56/37,744.56 = 11,311.56/x
  3. Step 3: Cross multiply
    25,162.56x = 37,744.56 × 11,311.56
  4. Step 4: Simplify right side
    25,162.56x = 426,949,855.11
  5. Step 5: Solve for x
    x = 426,949,855.11/25,162.56
  6. Step 6: Final answer
    x = 16,967.66

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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.