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Finding the Fourth Proportional to 40,652.80, 60,864.18 and 25,824.94

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Solution

The fourth proportional to 40,652.80, 60,864.18 and 25,824.94 is: 38,664.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,652.80 : 60,864.18 = 25,824.94 : x
  2. Step 2: Convert to fraction form
    40,652.80/60,864.18 = 25,824.94/x
  3. Step 3: Cross multiply
    40,652.80x = 60,864.18 × 25,824.94
  4. Step 4: Simplify right side
    40,652.80x = 1,571,813,796.65
  5. Step 5: Solve for x
    x = 1,571,813,796.65/40,652.80
  6. Step 6: Final answer
    x = 38,664.34

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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.