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Finding the Fourth Proportional to 17,636.72, 26,434.22 and 7,755.32

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Solution

The fourth proportional to 17,636.72, 26,434.22 and 7,755.32 is: 11,623.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,636.72 : 26,434.22 = 7,755.32 : x
  2. Step 2: Convert to fraction form
    17,636.72/26,434.22 = 7,755.32/x
  3. Step 3: Cross multiply
    17,636.72x = 26,434.22 × 7,755.32
  4. Step 4: Simplify right side
    17,636.72x = 205,005,862.36
  5. Step 5: Solve for x
    x = 205,005,862.36/17,636.72
  6. Step 6: Final answer
    x = 11,623.81

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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.