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Finding the Fourth Proportional to 19,891.02, 29,833.29 and 6,743.10

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Solution

The fourth proportional to 19,891.02, 29,833.29 and 6,743.10 is: 10,113.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,891.02 : 29,833.29 = 6,743.10 : x
  2. Step 2: Convert to fraction form
    19,891.02/29,833.29 = 6,743.10/x
  3. Step 3: Cross multiply
    19,891.02x = 29,833.29 × 6,743.10
  4. Step 4: Simplify right side
    19,891.02x = 201,168,857.80
  5. Step 5: Solve for x
    x = 201,168,857.80/19,891.02
  6. Step 6: Final answer
    x = 10,113.55

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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.