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Finding the Fourth Proportional to 17,376.10, 26,027.70 and 15,529.30

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Solution

The fourth proportional to 17,376.10, 26,027.70 and 15,529.30 is: 23,261.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,376.10 : 26,027.70 = 15,529.30 : x
  2. Step 2: Convert to fraction form
    17,376.10/26,027.70 = 15,529.30/x
  3. Step 3: Cross multiply
    17,376.10x = 26,027.70 × 15,529.30
  4. Step 4: Simplify right side
    17,376.10x = 404,191,961.61
  5. Step 5: Solve for x
    x = 404,191,961.61/17,376.10
  6. Step 6: Final answer
    x = 23,261.37

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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.