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Finding the Fourth Proportional to 15,172.00, 22,753.07 and 5,811.52

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Solution

The fourth proportional to 15,172.00, 22,753.07 and 5,811.52 is: 8,715.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,172.00 : 22,753.07 = 5,811.52 : x
  2. Step 2: Convert to fraction form
    15,172.00/22,753.07 = 5,811.52/x
  3. Step 3: Cross multiply
    15,172.00x = 22,753.07 × 5,811.52
  4. Step 4: Simplify right side
    15,172.00x = 132,229,807.60
  5. Step 5: Solve for x
    x = 132,229,807.60/15,172.00
  6. Step 6: Final answer
    x = 8,715.39

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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.