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Finding the Fourth Proportional to 12,503.36, 18,764.25 and 5,929.56

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Solution

The fourth proportional to 12,503.36, 18,764.25 and 5,929.56 is: 8,898.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,503.36 : 18,764.25 = 5,929.56 : x
  2. Step 2: Convert to fraction form
    12,503.36/18,764.25 = 5,929.56/x
  3. Step 3: Cross multiply
    12,503.36x = 18,764.25 × 5,929.56
  4. Step 4: Simplify right side
    12,503.36x = 111,263,746.23
  5. Step 5: Solve for x
    x = 111,263,746.23/12,503.36
  6. Step 6: Final answer
    x = 8,898.71

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.