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Finding the Fourth Proportional to 17,707.80, 26,523.30 and 14,635.80

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Solution

The fourth proportional to 17,707.80, 26,523.30 and 14,635.80 is: 21,921.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,707.80 : 26,523.30 = 14,635.80 : x
  2. Step 2: Convert to fraction form
    17,707.80/26,523.30 = 14,635.80/x
  3. Step 3: Cross multiply
    17,707.80x = 26,523.30 × 14,635.80
  4. Step 4: Simplify right side
    17,707.80x = 388,189,714.14
  5. Step 5: Solve for x
    x = 388,189,714.14/17,707.80
  6. Step 6: Final answer
    x = 21,921.96

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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.