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Finding the Fourth Proportional to 48,685.80, 72,983.34 and 22,411.56

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Solution

The fourth proportional to 48,685.80, 72,983.34 and 22,411.56 is: 33,596.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,685.80 : 72,983.34 = 22,411.56 : x
  2. Step 2: Convert to fraction form
    48,685.80/72,983.34 = 22,411.56/x
  3. Step 3: Cross multiply
    48,685.80x = 72,983.34 × 22,411.56
  4. Step 4: Simplify right side
    48,685.80x = 1,635,670,503.41
  5. Step 5: Solve for x
    x = 1,635,670,503.41/48,685.80
  6. Step 6: Final answer
    x = 33,596.46

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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.