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Finding the Fourth Proportional to 21,058.62, 29,061.27 and 11,626.62

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Solution

The fourth proportional to 21,058.62, 29,061.27 and 11,626.62 is: 16,044.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,058.62 : 29,061.27 = 11,626.62 : x
  2. Step 2: Convert to fraction form
    21,058.62/29,061.27 = 11,626.62/x
  3. Step 3: Cross multiply
    21,058.62x = 29,061.27 × 11,626.62
  4. Step 4: Simplify right side
    21,058.62x = 337,884,343.01
  5. Step 5: Solve for x
    x = 337,884,343.01/21,058.62
  6. Step 6: Final answer
    x = 16,044.94

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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.