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Finding the Fourth Proportional to 22,611, 33,916.56 and 7,028.64

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Solution

The fourth proportional to 22,611, 33,916.56 and 7,028.64 is: 10,542.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,611 : 33,916.56 = 7,028.64 : x
  2. Step 2: Convert to fraction form
    22,611/33,916.56 = 7,028.64/x
  3. Step 3: Cross multiply
    22,611x = 33,916.56 × 7,028.64
  4. Step 4: Simplify right side
    22,611x = 238,387,290.28
  5. Step 5: Solve for x
    x = 238,387,290.28/22,611
  6. Step 6: Final answer
    x = 10,542.98

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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.