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Finding the Fourth Proportional to 65,361.93, 90,199.46 and 37,067.62

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Solution

The fourth proportional to 65,361.93, 90,199.46 and 37,067.62 is: 51,153.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,361.93 : 90,199.46 = 37,067.62 : x
  2. Step 2: Convert to fraction form
    65,361.93/90,199.46 = 37,067.62/x
  3. Step 3: Cross multiply
    65,361.93x = 90,199.46 × 37,067.62
  4. Step 4: Simplify right side
    65,361.93x = 3,343,479,244.16
  5. Step 5: Solve for x
    x = 3,343,479,244.16/65,361.93
  6. Step 6: Final answer
    x = 51,153.31

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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.