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Finding the Fourth Proportional to 34,993.13, 52,489.66 and 8,697.87

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Solution

The fourth proportional to 34,993.13, 52,489.66 and 8,697.87 is: 13,046.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,993.13 : 52,489.66 = 8,697.87 : x
  2. Step 2: Convert to fraction form
    34,993.13/52,489.66 = 8,697.87/x
  3. Step 3: Cross multiply
    34,993.13x = 52,489.66 × 8,697.87
  4. Step 4: Simplify right side
    34,993.13x = 456,548,239.02
  5. Step 5: Solve for x
    x = 456,548,239.02/34,993.13
  6. Step 6: Final answer
    x = 13,046.80

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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.