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Finding the Fourth Proportional to 69,355.95, 104,009.30 and 24,970.78

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Solution

The fourth proportional to 69,355.95, 104,009.30 and 24,970.78 is: 37,447.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,355.95 : 104,009.30 = 24,970.78 : x
  2. Step 2: Convert to fraction form
    69,355.95/104,009.30 = 24,970.78/x
  3. Step 3: Cross multiply
    69,355.95x = 104,009.30 × 24,970.78
  4. Step 4: Simplify right side
    69,355.95x = 2,597,193,447.05
  5. Step 5: Solve for x
    x = 2,597,193,447.05/69,355.95
  6. Step 6: Final answer
    x = 37,447.31

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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.