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Finding the Fourth Proportional to 18,605.26, 27,911.34 and 6,126.04

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Solution

The fourth proportional to 18,605.26, 27,911.34 and 6,126.04 is: 9,190.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,605.26 : 27,911.34 = 6,126.04 : x
  2. Step 2: Convert to fraction form
    18,605.26/27,911.34 = 6,126.04/x
  3. Step 3: Cross multiply
    18,605.26x = 27,911.34 × 6,126.04
  4. Step 4: Simplify right side
    18,605.26x = 170,985,985.29
  5. Step 5: Solve for x
    x = 170,985,985.29/18,605.26
  6. Step 6: Final answer
    x = 9,190.20

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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.