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Finding the Fourth Proportional to 37,542.72, 51,809.04 and 21,626.76

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Solution

The fourth proportional to 37,542.72, 51,809.04 and 21,626.76 is: 29,844.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,542.72 : 51,809.04 = 21,626.76 : x
  2. Step 2: Convert to fraction form
    37,542.72/51,809.04 = 21,626.76/x
  3. Step 3: Cross multiply
    37,542.72x = 51,809.04 × 21,626.76
  4. Step 4: Simplify right side
    37,542.72x = 1,120,461,673.91
  5. Step 5: Solve for x
    x = 1,120,461,673.91/37,542.72
  6. Step 6: Final answer
    x = 29,844.98

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