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Finding the Fourth Proportional to 17,707.70, 26,566.10 and 5,227.22

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Solution

The fourth proportional to 17,707.70, 26,566.10 and 5,227.22 is: 7,842.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,707.70 : 26,566.10 = 5,227.22 : x
  2. Step 2: Convert to fraction form
    17,707.70/26,566.10 = 5,227.22/x
  3. Step 3: Cross multiply
    17,707.70x = 26,566.10 × 5,227.22
  4. Step 4: Simplify right side
    17,707.70x = 138,866,849.24
  5. Step 5: Solve for x
    x = 138,866,849.24/17,707.70
  6. Step 6: Final answer
    x = 7,842.17

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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.