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Finding the Fourth Proportional to 48,808.40, 73,220.70 and 19,227.20

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Solution

The fourth proportional to 48,808.40, 73,220.70 and 19,227.20 is: 28,843.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,808.40 : 73,220.70 = 19,227.20 : x
  2. Step 2: Convert to fraction form
    48,808.40/73,220.70 = 19,227.20/x
  3. Step 3: Cross multiply
    48,808.40x = 73,220.70 × 19,227.20
  4. Step 4: Simplify right side
    48,808.40x = 1,407,829,043.04
  5. Step 5: Solve for x
    x = 1,407,829,043.04/48,808.40
  6. Step 6: Final answer
    x = 28,843.99

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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.