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Finding the Fourth Proportional to 17,807.90, 26,688.25 and 9,469.96

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Solution

The fourth proportional to 17,807.90, 26,688.25 and 9,469.96 is: 14,192.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,807.90 : 26,688.25 = 9,469.96 : x
  2. Step 2: Convert to fraction form
    17,807.90/26,688.25 = 9,469.96/x
  3. Step 3: Cross multiply
    17,807.90x = 26,688.25 × 9,469.96
  4. Step 4: Simplify right side
    17,807.90x = 252,736,569.57
  5. Step 5: Solve for x
    x = 252,736,569.57/17,807.90
  6. Step 6: Final answer
    x = 14,192.39

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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.