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Finding the Fourth Proportional to 29,491.52, 44,211.16 and 21,150.56

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Solution

The fourth proportional to 29,491.52, 44,211.16 and 21,150.56 is: 31,707.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,491.52 : 44,211.16 = 21,150.56 : x
  2. Step 2: Convert to fraction form
    29,491.52/44,211.16 = 21,150.56/x
  3. Step 3: Cross multiply
    29,491.52x = 44,211.16 × 21,150.56
  4. Step 4: Simplify right side
    29,491.52x = 935,090,792.25
  5. Step 5: Solve for x
    x = 935,090,792.25/29,491.52
  6. Step 6: Final answer
    x = 31,707.11

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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.