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Finding the Fourth Proportional to 15,172.76, 22,754.22 and 5,812.28

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Solution

The fourth proportional to 15,172.76, 22,754.22 and 5,812.28 is: 8,716.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,172.76 : 22,754.22 = 5,812.28 : x
  2. Step 2: Convert to fraction form
    15,172.76/22,754.22 = 5,812.28/x
  3. Step 3: Cross multiply
    15,172.76x = 22,754.22 × 5,812.28
  4. Step 4: Simplify right side
    15,172.76x = 132,253,897.82
  5. Step 5: Solve for x
    x = 132,253,897.82/15,172.76
  6. Step 6: Final answer
    x = 8,716.54

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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.