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Finding the Fourth Proportional to 58,232.79, 80,361.32 and 33,087.15

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Solution

The fourth proportional to 58,232.79, 80,361.32 and 33,087.15 is: 45,660.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,232.79 : 80,361.32 = 33,087.15 : x
  2. Step 2: Convert to fraction form
    58,232.79/80,361.32 = 33,087.15/x
  3. Step 3: Cross multiply
    58,232.79x = 80,361.32 × 33,087.15
  4. Step 4: Simplify right side
    58,232.79x = 2,658,926,883.60
  5. Step 5: Solve for x
    x = 2,658,926,883.60/58,232.79
  6. Step 6: Final answer
    x = 45,660.30

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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.