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Finding the Fourth Proportional to 67,647.80, 101,360.86 and 36,024.28

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Solution

The fourth proportional to 67,647.80, 101,360.86 and 36,024.28 is: 53,977.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,647.80 : 101,360.86 = 36,024.28 : x
  2. Step 2: Convert to fraction form
    67,647.80/101,360.86 = 36,024.28/x
  3. Step 3: Cross multiply
    67,647.80x = 101,360.86 × 36,024.28
  4. Step 4: Simplify right side
    67,647.80x = 3,651,452,001.68
  5. Step 5: Solve for x
    x = 3,651,452,001.68/67,647.80
  6. Step 6: Final answer
    x = 53,977.39

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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.