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Finding the Fourth Proportional to 19,398.29, 29,098.04 and 6,251.99

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Solution

The fourth proportional to 19,398.29, 29,098.04 and 6,251.99 is: 9,378.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,398.29 : 29,098.04 = 6,251.99 : x
  2. Step 2: Convert to fraction form
    19,398.29/29,098.04 = 6,251.99/x
  3. Step 3: Cross multiply
    19,398.29x = 29,098.04 × 6,251.99
  4. Step 4: Simplify right side
    19,398.29x = 181,920,478.35
  5. Step 5: Solve for x
    x = 181,920,478.35/19,398.29
  6. Step 6: Final answer
    x = 9,378.17

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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.