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Finding the Fourth Proportional to 26,827.00, 40,266.99 and 20,140.25

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Solution

The fourth proportional to 26,827.00, 40,266.99 and 20,140.25 is: 30,230.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,827.00 : 40,266.99 = 20,140.25 : x
  2. Step 2: Convert to fraction form
    26,827.00/40,266.99 = 20,140.25/x
  3. Step 3: Cross multiply
    26,827.00x = 40,266.99 × 20,140.25
  4. Step 4: Simplify right side
    26,827.00x = 810,987,044.01
  5. Step 5: Solve for x
    x = 810,987,044.01/26,827.00
  6. Step 6: Final answer
    x = 30,230.26

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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.