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Finding the Fourth Proportional to 29,326, 40,472.44 and 16,080.56

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Solution

The fourth proportional to 29,326, 40,472.44 and 16,080.56 is: 22,192.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,326 : 40,472.44 = 16,080.56 : x
  2. Step 2: Convert to fraction form
    29,326/40,472.44 = 16,080.56/x
  3. Step 3: Cross multiply
    29,326x = 40,472.44 × 16,080.56
  4. Step 4: Simplify right side
    29,326x = 650,819,499.77
  5. Step 5: Solve for x
    x = 650,819,499.77/29,326
  6. Step 6: Final answer
    x = 22,192.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.