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Finding the Fourth Proportional to 62,898.93, 86,801.18 and 36,040.86

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Solution

The fourth proportional to 62,898.93, 86,801.18 and 36,040.86 is: 49,736.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,898.93 : 86,801.18 = 36,040.86 : x
  2. Step 2: Convert to fraction form
    62,898.93/86,801.18 = 36,040.86/x
  3. Step 3: Cross multiply
    62,898.93x = 86,801.18 × 36,040.86
  4. Step 4: Simplify right side
    62,898.93x = 3,128,388,996.01
  5. Step 5: Solve for x
    x = 3,128,388,996.01/62,898.93
  6. Step 6: Final answer
    x = 49,736.76

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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.