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Finding the Fourth Proportional to 19,233.30, 28,828.35 and 9,869.70

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Solution

The fourth proportional to 19,233.30, 28,828.35 and 9,869.70 is: 14,793.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,233.30 : 28,828.35 = 9,869.70 : x
  2. Step 2: Convert to fraction form
    19,233.30/28,828.35 = 9,869.70/x
  3. Step 3: Cross multiply
    19,233.30x = 28,828.35 × 9,869.70
  4. Step 4: Simplify right side
    19,233.30x = 284,527,166.00
  5. Step 5: Solve for x
    x = 284,527,166.00/19,233.30
  6. Step 6: Final answer
    x = 14,793.47

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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.