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Finding the Fourth Proportional to 22,705.99, 34,059.08 and 7,914.88

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Solution

The fourth proportional to 22,705.99, 34,059.08 and 7,914.88 is: 11,872.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,705.99 : 34,059.08 = 7,914.88 : x
  2. Step 2: Convert to fraction form
    22,705.99/34,059.08 = 7,914.88/x
  3. Step 3: Cross multiply
    22,705.99x = 34,059.08 × 7,914.88
  4. Step 4: Simplify right side
    22,705.99x = 269,573,593.47
  5. Step 5: Solve for x
    x = 269,573,593.47/22,705.99
  6. Step 6: Final answer
    x = 11,872.36

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1.5x scale

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.