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Finding the Fourth Proportional to 69,906.59, 104,875.46 and 25,533.28

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Solution

The fourth proportional to 69,906.59, 104,875.46 and 25,533.28 is: 38,305.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,906.59 : 104,875.46 = 25,533.28 : x
  2. Step 2: Convert to fraction form
    69,906.59/104,875.46 = 25,533.28/x
  3. Step 3: Cross multiply
    69,906.59x = 104,875.46 × 25,533.28
  4. Step 4: Simplify right side
    69,906.59x = 2,677,813,994.56
  5. Step 5: Solve for x
    x = 2,677,813,994.56/69,906.59
  6. Step 6: Final answer
    x = 38,305.60

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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.