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Finding the Fourth Proportional to 17,888.67, 26,824.46 and 6,636.29

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Solution

The fourth proportional to 17,888.67, 26,824.46 and 6,636.29 is: 9,951.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,888.67 : 26,824.46 = 6,636.29 : x
  2. Step 2: Convert to fraction form
    17,888.67/26,824.46 = 6,636.29/x
  3. Step 3: Cross multiply
    17,888.67x = 26,824.46 × 6,636.29
  4. Step 4: Simplify right side
    17,888.67x = 178,014,728.35
  5. Step 5: Solve for x
    x = 178,014,728.35/17,888.67
  6. Step 6: Final answer
    x = 9,951.26

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1.5x scale

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.