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Finding the Fourth Proportional to 17,983.97, 26,979.04 and 5,502.70

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Solution

The fourth proportional to 17,983.97, 26,979.04 and 5,502.70 is: 8,254.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,983.97 : 26,979.04 = 5,502.70 : x
  2. Step 2: Convert to fraction form
    17,983.97/26,979.04 = 5,502.70/x
  3. Step 3: Cross multiply
    17,983.97x = 26,979.04 × 5,502.70
  4. Step 4: Simplify right side
    17,983.97x = 148,457,466.98
  5. Step 5: Solve for x
    x = 148,457,466.98/17,983.97
  6. Step 6: Final answer
    x = 8,254.99

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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.