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Finding the Fourth Proportional to 19,601.84, 29,406.44 and 6,463.44

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Solution

The fourth proportional to 19,601.84, 29,406.44 and 6,463.44 is: 9,696.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,601.84 : 29,406.44 = 6,463.44 : x
  2. Step 2: Convert to fraction form
    19,601.84/29,406.44 = 6,463.44/x
  3. Step 3: Cross multiply
    19,601.84x = 29,406.44 × 6,463.44
  4. Step 4: Simplify right side
    19,601.84x = 190,066,760.55
  5. Step 5: Solve for x
    x = 190,066,760.55/19,601.84
  6. Step 6: Final answer
    x = 9,696.37

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1.5x scale

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.