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Finding the Fourth Proportional to 22,425.33, 33,637.64 and 7,644.54

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Solution

The fourth proportional to 22,425.33, 33,637.64 and 7,644.54 is: 11,466.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,425.33 : 33,637.64 = 7,644.54 : x
  2. Step 2: Convert to fraction form
    22,425.33/33,637.64 = 7,644.54/x
  3. Step 3: Cross multiply
    22,425.33x = 33,637.64 × 7,644.54
  4. Step 4: Simplify right side
    22,425.33x = 257,144,246.26
  5. Step 5: Solve for x
    x = 257,144,246.26/22,425.33
  6. Step 6: Final answer
    x = 11,466.69

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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.