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Finding the Fourth Proportional to 36,659.98, 54,989.97 and 10,361.31

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Solution

The fourth proportional to 36,659.98, 54,989.97 and 10,361.31 is: 15,541.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,659.98 : 54,989.97 = 10,361.31 : x
  2. Step 2: Convert to fraction form
    36,659.98/54,989.97 = 10,361.31/x
  3. Step 3: Cross multiply
    36,659.98x = 54,989.97 × 10,361.31
  4. Step 4: Simplify right side
    36,659.98x = 569,768,126.06
  5. Step 5: Solve for x
    x = 569,768,126.06/36,659.98
  6. Step 6: Final answer
    x = 15,541.97

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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.