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Finding the Fourth Proportional to 69,905.74, 104,858.10 and 41,833.60

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Solution

The fourth proportional to 69,905.74, 104,858.10 and 41,833.60 is: 62,750.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,905.74 : 104,858.10 = 41,833.60 : x
  2. Step 2: Convert to fraction form
    69,905.74/104,858.10 = 41,833.60/x
  3. Step 3: Cross multiply
    69,905.74x = 104,858.10 × 41,833.60
  4. Step 4: Simplify right side
    69,905.74x = 4,386,591,812.16
  5. Step 5: Solve for x
    x = 4,386,591,812.16/69,905.74
  6. Step 6: Final answer
    x = 62,750.09

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1.5x scale

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.