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Finding the Fourth Proportional to 22,753.60, 34,130.41 and 7,172.44

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Solution

The fourth proportional to 22,753.60, 34,130.41 and 7,172.44 is: 10,758.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,753.60 : 34,130.41 = 7,172.44 : x
  2. Step 2: Convert to fraction form
    22,753.60/34,130.41 = 7,172.44/x
  3. Step 3: Cross multiply
    22,753.60x = 34,130.41 × 7,172.44
  4. Step 4: Simplify right side
    22,753.60x = 244,798,214.64
  5. Step 5: Solve for x
    x = 244,798,214.64/22,753.60
  6. Step 6: Final answer
    x = 10,758.66

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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.