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Finding the Fourth Proportional to 17,089.13, 25,633.69 and 8,764.52

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Solution

The fourth proportional to 17,089.13, 25,633.69 and 8,764.52 is: 13,146.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,089.13 : 25,633.69 = 8,764.52 : x
  2. Step 2: Convert to fraction form
    17,089.13/25,633.69 = 8,764.52/x
  3. Step 3: Cross multiply
    17,089.13x = 25,633.69 × 8,764.52
  4. Step 4: Simplify right side
    17,089.13x = 224,666,899.30
  5. Step 5: Solve for x
    x = 224,666,899.30/17,089.13
  6. Step 6: Final answer
    x = 13,146.77

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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.