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Finding the Fourth Proportional to 26,773.80, 40,131.90 and 10,127.40

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Solution

The fourth proportional to 26,773.80, 40,131.90 and 10,127.40 is: 15,180.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,773.80 : 40,131.90 = 10,127.40 : x
  2. Step 2: Convert to fraction form
    26,773.80/40,131.90 = 10,127.40/x
  3. Step 3: Cross multiply
    26,773.80x = 40,131.90 × 10,127.40
  4. Step 4: Simplify right side
    26,773.80x = 406,431,804.06
  5. Step 5: Solve for x
    x = 406,431,804.06/26,773.80
  6. Step 6: Final answer
    x = 15,180.21

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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.