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Finding the Fourth Proportional to 17,551,381.20, 26,279,832.60 and 17,551,381.20

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Solution

The fourth proportional to 17,551,381.20, 26,279,832.60 and 17,551,381.20 is: 26,279,832.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,551,381.20 : 26,279,832.60 = 17,551,381.20 : x
  2. Step 2: Convert to fraction form
    17,551,381.20/26,279,832.60 = 17,551,381.20/x
  3. Step 3: Cross multiply
    17,551,381.20x = 26,279,832.60 × 17,551,381.20
  4. Step 4: Simplify right side
    17,551,381.20x = 461,247,359,834,787.12
  5. Step 5: Solve for x
    x = 461,247,359,834,787.12/17,551,381.20
  6. Step 6: Final answer
    x = 26,279,832.60

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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.