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Finding the Fourth Proportional to 34,987.53, 52,469.14 and 11,608.50

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Solution

The fourth proportional to 34,987.53, 52,469.14 and 11,608.50 is: 17,408.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,987.53 : 52,469.14 = 11,608.50 : x
  2. Step 2: Convert to fraction form
    34,987.53/52,469.14 = 11,608.50/x
  3. Step 3: Cross multiply
    34,987.53x = 52,469.14 × 11,608.50
  4. Step 4: Simplify right side
    34,987.53x = 609,088,011.69
  5. Step 5: Solve for x
    x = 609,088,011.69/34,987.53
  6. Step 6: Final answer
    x = 17,408.72

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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.