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Finding the Fourth Proportional to 26,360.34, 36,376.19 and 15,755.82

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Solution

The fourth proportional to 26,360.34, 36,376.19 and 15,755.82 is: 21,742.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,360.34 : 36,376.19 = 15,755.82 : x
  2. Step 2: Convert to fraction form
    26,360.34/36,376.19 = 15,755.82/x
  3. Step 3: Cross multiply
    26,360.34x = 36,376.19 × 15,755.82
  4. Step 4: Simplify right side
    26,360.34x = 573,136,623.15
  5. Step 5: Solve for x
    x = 573,136,623.15/26,360.34
  6. Step 6: Final answer
    x = 21,742.38

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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.