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Finding the Fourth Proportional to 17,995.34, 26,996.22 and 5,515.10

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Solution

The fourth proportional to 17,995.34, 26,996.22 and 5,515.10 is: 8,273.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,995.34 : 26,996.22 = 5,515.10 : x
  2. Step 2: Convert to fraction form
    17,995.34/26,996.22 = 5,515.10/x
  3. Step 3: Cross multiply
    17,995.34x = 26,996.22 × 5,515.10
  4. Step 4: Simplify right side
    17,995.34x = 148,886,852.92
  5. Step 5: Solve for x
    x = 148,886,852.92/17,995.34
  6. Step 6: Final answer
    x = 8,273.63

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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.