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Finding the Fourth Proportional to 22,858.85, 34,288.28 and 9,702

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Solution

The fourth proportional to 22,858.85, 34,288.28 and 9,702 is: 14,553.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,858.85 : 34,288.28 = 9,702 : x
  2. Step 2: Convert to fraction form
    22,858.85/34,288.28 = 9,702/x
  3. Step 3: Cross multiply
    22,858.85x = 34,288.28 × 9,702
  4. Step 4: Simplify right side
    22,858.85x = 332,664,892.56
  5. Step 5: Solve for x
    x = 332,664,892.56/22,858.85
  6. Step 6: Final answer
    x = 14,553.00

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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.