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Finding the Fourth Proportional to 19,371.68, 29,063.02 and 10,016.79

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Solution

The fourth proportional to 19,371.68, 29,063.02 and 10,016.79 is: 15,028.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,371.68 : 29,063.02 = 10,016.79 : x
  2. Step 2: Convert to fraction form
    19,371.68/29,063.02 = 10,016.79/x
  3. Step 3: Cross multiply
    19,371.68x = 29,063.02 × 10,016.79
  4. Step 4: Simplify right side
    19,371.68x = 291,118,168.11
  5. Step 5: Solve for x
    x = 291,118,168.11/19,371.68
  6. Step 6: Final answer
    x = 15,028.03

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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.