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Finding the Fourth Proportional to 17,622, 26,424.25 and 5,612.59

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Solution

The fourth proportional to 17,622, 26,424.25 and 5,612.59 is: 8,416.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,622 : 26,424.25 = 5,612.59 : x
  2. Step 2: Convert to fraction form
    17,622/26,424.25 = 5,612.59/x
  3. Step 3: Cross multiply
    17,622x = 26,424.25 × 5,612.59
  4. Step 4: Simplify right side
    17,622x = 148,308,349.19
  5. Step 5: Solve for x
    x = 148,308,349.19/17,622
  6. Step 6: Final answer
    x = 8,416.09

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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.