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Finding the Fourth Proportional to 22,859.88, 34,285.02 and 8,815.08

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Solution

The fourth proportional to 22,859.88, 34,285.02 and 8,815.08 is: 13,220.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,859.88 : 34,285.02 = 8,815.08 : x
  2. Step 2: Convert to fraction form
    22,859.88/34,285.02 = 8,815.08/x
  3. Step 3: Cross multiply
    22,859.88x = 34,285.02 × 8,815.08
  4. Step 4: Simplify right side
    22,859.88x = 302,225,194.10
  5. Step 5: Solve for x
    x = 302,225,194.10/22,859.88
  6. Step 6: Final answer
    x = 13,220.77

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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.