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Finding the Fourth Proportional to 36,102.88, 54,134.50 and 11,136

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Solution

The fourth proportional to 36,102.88, 54,134.50 and 11,136 is: 16,697.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,102.88 : 54,134.50 = 11,136 : x
  2. Step 2: Convert to fraction form
    36,102.88/54,134.50 = 11,136/x
  3. Step 3: Cross multiply
    36,102.88x = 54,134.50 × 11,136
  4. Step 4: Simplify right side
    36,102.88x = 602,841,736.32
  5. Step 5: Solve for x
    x = 602,841,736.32/36,102.88
  6. Step 6: Final answer
    x = 16,697.88

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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.