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Finding the Fourth Proportional to 22,428.99, 33,644.33 and 7,636.07

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Solution

The fourth proportional to 22,428.99, 33,644.33 and 7,636.07 is: 11,454.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,428.99 : 33,644.33 = 7,636.07 : x
  2. Step 2: Convert to fraction form
    22,428.99/33,644.33 = 7,636.07/x
  3. Step 3: Cross multiply
    22,428.99x = 33,644.33 × 7,636.07
  4. Step 4: Simplify right side
    22,428.99x = 256,910,252.58
  5. Step 5: Solve for x
    x = 256,910,252.58/22,428.99
  6. Step 6: Final answer
    x = 11,454.38

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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.