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Finding the Fourth Proportional to 57,556.50, 86,339.64 and 16,003.50

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Solution

The fourth proportional to 57,556.50, 86,339.64 and 16,003.50 is: 24,006.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,556.50 : 86,339.64 = 16,003.50 : x
  2. Step 2: Convert to fraction form
    57,556.50/86,339.64 = 16,003.50/x
  3. Step 3: Cross multiply
    57,556.50x = 86,339.64 × 16,003.50
  4. Step 4: Simplify right side
    57,556.50x = 1,381,736,428.74
  5. Step 5: Solve for x
    x = 1,381,736,428.74/57,556.50
  6. Step 6: Final answer
    x = 24,006.61

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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.