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Finding the Fourth Proportional to 17,569, 26,350.62 and 12,359.08

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Solution

The fourth proportional to 17,569, 26,350.62 and 12,359.08 is: 18,536.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,569 : 26,350.62 = 12,359.08 : x
  2. Step 2: Convert to fraction form
    17,569/26,350.62 = 12,359.08/x
  3. Step 3: Cross multiply
    17,569x = 26,350.62 × 12,359.08
  4. Step 4: Simplify right side
    17,569x = 325,669,420.63
  5. Step 5: Solve for x
    x = 325,669,420.63/17,569
  6. Step 6: Final answer
    x = 18,536.59

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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.