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Finding the Fourth Proportional to 7,472.91, 11,203.89 and 2,541.22

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Solution

The fourth proportional to 7,472.91, 11,203.89 and 2,541.22 is: 3,809.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,472.91 : 11,203.89 = 2,541.22 : x
  2. Step 2: Convert to fraction form
    7,472.91/11,203.89 = 2,541.22/x
  3. Step 3: Cross multiply
    7,472.91x = 11,203.89 × 2,541.22
  4. Step 4: Simplify right side
    7,472.91x = 28,471,549.35
  5. Step 5: Solve for x
    x = 28,471,549.35/7,472.91
  6. Step 6: Final answer
    x = 3,809.97

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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.