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Finding the Fourth Proportional to 45,268, 62,469.84 and 25,396

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Solution

The fourth proportional to 45,268, 62,469.84 and 25,396 is: 35,046.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,268 : 62,469.84 = 25,396 : x
  2. Step 2: Convert to fraction form
    45,268/62,469.84 = 25,396/x
  3. Step 3: Cross multiply
    45,268x = 62,469.84 × 25,396
  4. Step 4: Simplify right side
    45,268x = 1,586,484,056.64
  5. Step 5: Solve for x
    x = 1,586,484,056.64/45,268
  6. Step 6: Final answer
    x = 35,046.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.