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Finding the Fourth Proportional to 19,048.29, 28,572.13 and 5,197.29

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Solution

The fourth proportional to 19,048.29, 28,572.13 and 5,197.29 is: 7,795.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,048.29 : 28,572.13 = 5,197.29 : x
  2. Step 2: Convert to fraction form
    19,048.29/28,572.13 = 5,197.29/x
  3. Step 3: Cross multiply
    19,048.29x = 28,572.13 × 5,197.29
  4. Step 4: Simplify right side
    19,048.29x = 148,497,645.53
  5. Step 5: Solve for x
    x = 148,497,645.53/19,048.29
  6. Step 6: Final answer
    x = 7,795.85

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.