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Finding the Fourth Proportional to 60,361.64, 90,544.37 and 28,775.15

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Solution

The fourth proportional to 60,361.64, 90,544.37 and 28,775.15 is: 43,163.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,361.64 : 90,544.37 = 28,775.15 : x
  2. Step 2: Convert to fraction form
    60,361.64/90,544.37 = 28,775.15/x
  3. Step 3: Cross multiply
    60,361.64x = 90,544.37 × 28,775.15
  4. Step 4: Simplify right side
    60,361.64x = 2,605,427,571.35
  5. Step 5: Solve for x
    x = 2,605,427,571.35/60,361.64
  6. Step 6: Final answer
    x = 43,163.63

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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.