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Finding the Fourth Proportional to 62,021.30, 92,974.35 and 43,301.30

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Solution

The fourth proportional to 62,021.30, 92,974.35 and 43,301.30 is: 64,911.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,021.30 : 92,974.35 = 43,301.30 : x
  2. Step 2: Convert to fraction form
    62,021.30/92,974.35 = 43,301.30/x
  3. Step 3: Cross multiply
    62,021.30x = 92,974.35 × 43,301.30
  4. Step 4: Simplify right side
    62,021.30x = 4,025,910,221.66
  5. Step 5: Solve for x
    x = 4,025,910,221.66/62,021.30
  6. Step 6: Final answer
    x = 64,911.74

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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.