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Finding the Fourth Proportional to 52,886.70, 79,327.80 and 17,826.30

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Solution

The fourth proportional to 52,886.70, 79,327.80 and 17,826.30 is: 26,738.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,886.70 : 79,327.80 = 17,826.30 : x
  2. Step 2: Convert to fraction form
    52,886.70/79,327.80 = 17,826.30/x
  3. Step 3: Cross multiply
    52,886.70x = 79,327.80 × 17,826.30
  4. Step 4: Simplify right side
    52,886.70x = 1,414,121,161.14
  5. Step 5: Solve for x
    x = 1,414,121,161.14/52,886.70
  6. Step 6: Final answer
    x = 26,738.69

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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.