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Finding the Fourth Proportional to 17,911.86, 26,875.08 and 6,233.28

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Solution

The fourth proportional to 17,911.86, 26,875.08 and 6,233.28 is: 9,352.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,911.86 : 26,875.08 = 6,233.28 : x
  2. Step 2: Convert to fraction form
    17,911.86/26,875.08 = 6,233.28/x
  3. Step 3: Cross multiply
    17,911.86x = 26,875.08 × 6,233.28
  4. Step 4: Simplify right side
    17,911.86x = 167,519,898.66
  5. Step 5: Solve for x
    x = 167,519,898.66/17,911.86
  6. Step 6: Final answer
    x = 9,352.46

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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.