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Finding the Fourth Proportional to 19,329.19, 28,992.87 and 6,849.01

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Solution

The fourth proportional to 19,329.19, 28,992.87 and 6,849.01 is: 10,273.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,329.19 : 28,992.87 = 6,849.01 : x
  2. Step 2: Convert to fraction form
    19,329.19/28,992.87 = 6,849.01/x
  3. Step 3: Cross multiply
    19,329.19x = 28,992.87 × 6,849.01
  4. Step 4: Simplify right side
    19,329.19x = 198,572,456.56
  5. Step 5: Solve for x
    x = 198,572,456.56/19,329.19
  6. Step 6: Final answer
    x = 10,273.19

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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.