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Finding the Fourth Proportional to 17,089.26, 25,633.90 and 4,777.26

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Solution

The fourth proportional to 17,089.26, 25,633.90 and 4,777.26 is: 7,165.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,089.26 : 25,633.90 = 4,777.26 : x
  2. Step 2: Convert to fraction form
    17,089.26/25,633.90 = 4,777.26/x
  3. Step 3: Cross multiply
    17,089.26x = 25,633.90 × 4,777.26
  4. Step 4: Simplify right side
    17,089.26x = 122,459,805.11
  5. Step 5: Solve for x
    x = 122,459,805.11/17,089.26
  6. Step 6: Final answer
    x = 7,165.89

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1.5x scale

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.