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Finding the Fourth Proportional to 17,889.12, 26,817.12 and 6,792.48

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Solution

The fourth proportional to 17,889.12, 26,817.12 and 6,792.48 is: 10,182.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,889.12 : 26,817.12 = 6,792.48 : x
  2. Step 2: Convert to fraction form
    17,889.12/26,817.12 = 6,792.48/x
  3. Step 3: Cross multiply
    17,889.12x = 26,817.12 × 6,792.48
  4. Step 4: Simplify right side
    17,889.12x = 182,154,751.26
  5. Step 5: Solve for x
    x = 182,154,751.26/17,889.12
  6. Step 6: Final answer
    x = 10,182.43

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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.