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Finding the Fourth Proportional to 69,363.58, 104,020.77 and 24,978.40

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Solution

The fourth proportional to 69,363.58, 104,020.77 and 24,978.40 is: 37,458.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,363.58 : 104,020.77 = 24,978.40 : x
  2. Step 2: Convert to fraction form
    69,363.58/104,020.77 = 24,978.40/x
  3. Step 3: Cross multiply
    69,363.58x = 104,020.77 × 24,978.40
  4. Step 4: Simplify right side
    69,363.58x = 2,598,272,401.37
  5. Step 5: Solve for x
    x = 2,598,272,401.37/69,363.58
  6. Step 6: Final answer
    x = 37,458.74

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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.