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Finding the Fourth Proportional to 34,794.77, 48,016.80 and 19,687.14

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Solution

The fourth proportional to 34,794.77, 48,016.80 and 19,687.14 is: 27,168.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,794.77 : 48,016.80 = 19,687.14 : x
  2. Step 2: Convert to fraction form
    34,794.77/48,016.80 = 19,687.14/x
  3. Step 3: Cross multiply
    34,794.77x = 48,016.80 × 19,687.14
  4. Step 4: Simplify right side
    34,794.77x = 945,313,463.95
  5. Step 5: Solve for x
    x = 945,313,463.95/34,794.77
  6. Step 6: Final answer
    x = 27,168.26

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1.5x scale

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.