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Finding the Fourth Proportional to 17,953.38, 26,930.16 and 6,266.64

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Solution

The fourth proportional to 17,953.38, 26,930.16 and 6,266.64 is: 9,399.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,953.38 : 26,930.16 = 6,266.64 : x
  2. Step 2: Convert to fraction form
    17,953.38/26,930.16 = 6,266.64/x
  3. Step 3: Cross multiply
    17,953.38x = 26,930.16 × 6,266.64
  4. Step 4: Simplify right side
    17,953.38x = 168,761,617.86
  5. Step 5: Solve for x
    x = 168,761,617.86/17,953.38
  6. Step 6: Final answer
    x = 9,399.99

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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.