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Finding the Fourth Proportional to 34,794.66, 48,016.36 and 19,687.20

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Solution

The fourth proportional to 34,794.66, 48,016.36 and 19,687.20 is: 27,168.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,794.66 : 48,016.36 = 19,687.20 : x
  2. Step 2: Convert to fraction form
    34,794.66/48,016.36 = 19,687.20/x
  3. Step 3: Cross multiply
    34,794.66x = 48,016.36 × 19,687.20
  4. Step 4: Simplify right side
    34,794.66x = 945,307,682.59
  5. Step 5: Solve for x
    x = 945,307,682.59/34,794.66
  6. Step 6: Final answer
    x = 27,168.18

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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.