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Finding the Fourth Proportional to 57,722.76, 86,587.40 and 16,173

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Solution

The fourth proportional to 57,722.76, 86,587.40 and 16,173 is: 24,260.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,722.76 : 86,587.40 = 16,173 : x
  2. Step 2: Convert to fraction form
    57,722.76/86,587.40 = 16,173/x
  3. Step 3: Cross multiply
    57,722.76x = 86,587.40 × 16,173
  4. Step 4: Simplify right side
    57,722.76x = 1,400,378,020.20
  5. Step 5: Solve for x
    x = 1,400,378,020.20/57,722.76
  6. Step 6: Final answer
    x = 24,260.41

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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.