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Finding the Fourth Proportional to 69,356.95, 104,010.80 and 24,971.78

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Solution

The fourth proportional to 69,356.95, 104,010.80 and 24,971.78 is: 37,448.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,356.95 : 104,010.80 = 24,971.78 : x
  2. Step 2: Convert to fraction form
    69,356.95/104,010.80 = 24,971.78/x
  3. Step 3: Cross multiply
    69,356.95x = 104,010.80 × 24,971.78
  4. Step 4: Simplify right side
    69,356.95x = 2,597,334,815.22
  5. Step 5: Solve for x
    x = 2,597,334,815.22/69,356.95
  6. Step 6: Final answer
    x = 37,448.80

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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.