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Finding the Fourth Proportional to 17,376.68, 26,061.75 and 8,483.09

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Solution

The fourth proportional to 17,376.68, 26,061.75 and 8,483.09 is: 12,723.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,376.68 : 26,061.75 = 8,483.09 : x
  2. Step 2: Convert to fraction form
    17,376.68/26,061.75 = 8,483.09/x
  3. Step 3: Cross multiply
    17,376.68x = 26,061.75 × 8,483.09
  4. Step 4: Simplify right side
    17,376.68x = 221,084,040.50
  5. Step 5: Solve for x
    x = 221,084,040.50/17,376.68
  6. Step 6: Final answer
    x = 12,723.03

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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.