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Finding the Fourth Proportional to 17,630.70, 26,449.65 and 5,945.10

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Solution

The fourth proportional to 17,630.70, 26,449.65 and 5,945.10 is: 8,918.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,630.70 : 26,449.65 = 5,945.10 : x
  2. Step 2: Convert to fraction form
    17,630.70/26,449.65 = 5,945.10/x
  3. Step 3: Cross multiply
    17,630.70x = 26,449.65 × 5,945.10
  4. Step 4: Simplify right side
    17,630.70x = 157,245,814.22
  5. Step 5: Solve for x
    x = 157,245,814.22/17,630.70
  6. Step 6: Final answer
    x = 8,918.86

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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.