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Finding the Fourth Proportional to 26,292, 36,282.48 and 15,682.08

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Solution

The fourth proportional to 26,292, 36,282.48 and 15,682.08 is: 21,640.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,292 : 36,282.48 = 15,682.08 : x
  2. Step 2: Convert to fraction form
    26,292/36,282.48 = 15,682.08/x
  3. Step 3: Cross multiply
    26,292x = 36,282.48 × 15,682.08
  4. Step 4: Simplify right side
    26,292x = 568,984,753.96
  5. Step 5: Solve for x
    x = 568,984,753.96/26,292
  6. Step 6: Final answer
    x = 21,640.98

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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.