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Finding the Fourth Proportional to 18,063.79, 24,926.34 and 11,257.18

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Solution

The fourth proportional to 18,063.79, 24,926.34 and 11,257.18 is: 15,533.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,063.79 : 24,926.34 = 11,257.18 : x
  2. Step 2: Convert to fraction form
    18,063.79/24,926.34 = 11,257.18/x
  3. Step 3: Cross multiply
    18,063.79x = 24,926.34 × 11,257.18
  4. Step 4: Simplify right side
    18,063.79x = 280,600,296.12
  5. Step 5: Solve for x
    x = 280,600,296.12/18,063.79
  6. Step 6: Final answer
    x = 15,533.86

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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.