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Finding the Fourth Proportional to 22,450.47, 33,666.44 and 7,660.58

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Solution

The fourth proportional to 22,450.47, 33,666.44 and 7,660.58 is: 11,487.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,450.47 : 33,666.44 = 7,660.58 : x
  2. Step 2: Convert to fraction form
    22,450.47/33,666.44 = 7,660.58/x
  3. Step 3: Cross multiply
    22,450.47x = 33,666.44 × 7,660.58
  4. Step 4: Simplify right side
    22,450.47x = 257,904,250.30
  5. Step 5: Solve for x
    x = 257,904,250.30/22,450.47
  6. Step 6: Final answer
    x = 11,487.70

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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.