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Finding the Fourth Proportional to 29,639, 44,458.56 and 7,751

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Solution

The fourth proportional to 29,639, 44,458.56 and 7,751 is: 11,626.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,639 : 44,458.56 = 7,751 : x
  2. Step 2: Convert to fraction form
    29,639/44,458.56 = 7,751/x
  3. Step 3: Cross multiply
    29,639x = 44,458.56 × 7,751
  4. Step 4: Simplify right side
    29,639x = 344,598,298.56
  5. Step 5: Solve for x
    x = 344,598,298.56/29,639
  6. Step 6: Final answer
    x = 11,626.52

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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.