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Finding the Fourth Proportional to 15,129.73, 22,696.22 and 4,599.73

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Solution

The fourth proportional to 15,129.73, 22,696.22 and 4,599.73 is: 6,900.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,129.73 : 22,696.22 = 4,599.73 : x
  2. Step 2: Convert to fraction form
    15,129.73/22,696.22 = 4,599.73/x
  3. Step 3: Cross multiply
    15,129.73x = 22,696.22 × 4,599.73
  4. Step 4: Simplify right side
    15,129.73x = 104,396,484.02
  5. Step 5: Solve for x
    x = 104,396,484.02/15,129.73
  6. Step 6: Final answer
    x = 6,900.09

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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.