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Finding the Fourth Proportional to 48,481.84, 72,678.72 and 17,309.80

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Solution

The fourth proportional to 48,481.84, 72,678.72 and 17,309.80 is: 25,948.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,481.84 : 72,678.72 = 17,309.80 : x
  2. Step 2: Convert to fraction form
    48,481.84/72,678.72 = 17,309.80/x
  3. Step 3: Cross multiply
    48,481.84x = 72,678.72 × 17,309.80
  4. Step 4: Simplify right side
    48,481.84x = 1,258,054,107.46
  5. Step 5: Solve for x
    x = 1,258,054,107.46/48,481.84
  6. Step 6: Final answer
    x = 25,948.98

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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.