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Finding the Fourth Proportional to 58,009.50, 87,025.20 and 18,556.02

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Solution

The fourth proportional to 58,009.50, 87,025.20 and 18,556.02 is: 27,837.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,009.50 : 87,025.20 = 18,556.02 : x
  2. Step 2: Convert to fraction form
    58,009.50/87,025.20 = 18,556.02/x
  3. Step 3: Cross multiply
    58,009.50x = 87,025.20 × 18,556.02
  4. Step 4: Simplify right side
    58,009.50x = 1,614,841,351.70
  5. Step 5: Solve for x
    x = 1,614,841,351.70/58,009.50
  6. Step 6: Final answer
    x = 27,837.53

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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.