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Finding the Fourth Proportional to 21,058.12, 29,060.58 and 11,626.12

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Solution

The fourth proportional to 21,058.12, 29,060.58 and 11,626.12 is: 16,044.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,058.12 : 29,060.58 = 11,626.12 : x
  2. Step 2: Convert to fraction form
    21,058.12/29,060.58 = 11,626.12/x
  3. Step 3: Cross multiply
    21,058.12x = 29,060.58 × 11,626.12
  4. Step 4: Simplify right side
    21,058.12x = 337,861,790.35
  5. Step 5: Solve for x
    x = 337,861,790.35/21,058.12
  6. Step 6: Final answer
    x = 16,044.25

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1.5x scale

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.