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Finding the Fourth Proportional to 22,859.20, 34,288.80 and 14,065.60

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Solution

The fourth proportional to 22,859.20, 34,288.80 and 14,065.60 is: 21,098.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,859.20 : 34,288.80 = 14,065.60 : x
  2. Step 2: Convert to fraction form
    22,859.20/34,288.80 = 14,065.60/x
  3. Step 3: Cross multiply
    22,859.20x = 34,288.80 × 14,065.60
  4. Step 4: Simplify right side
    22,859.20x = 482,292,545.28
  5. Step 5: Solve for x
    x = 482,292,545.28/22,859.20
  6. Step 6: Final answer
    x = 21,098.40

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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.