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Finding the Fourth Proportional to 26,840.28, 37,040.04 and 15,662.28

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Solution

The fourth proportional to 26,840.28, 37,040.04 and 15,662.28 is: 21,614.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,840.28 : 37,040.04 = 15,662.28 : x
  2. Step 2: Convert to fraction form
    26,840.28/37,040.04 = 15,662.28/x
  3. Step 3: Cross multiply
    26,840.28x = 37,040.04 × 15,662.28
  4. Step 4: Simplify right side
    26,840.28x = 580,131,477.69
  5. Step 5: Solve for x
    x = 580,131,477.69/26,840.28
  6. Step 6: Final answer
    x = 21,614.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.