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Finding the Fourth Proportional to 57,361.49, 79,159.85 and 33,489.17

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Solution

The fourth proportional to 57,361.49, 79,159.85 and 33,489.17 is: 46,215.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,361.49 : 79,159.85 = 33,489.17 : x
  2. Step 2: Convert to fraction form
    57,361.49/79,159.85 = 33,489.17/x
  3. Step 3: Cross multiply
    57,361.49x = 79,159.85 × 33,489.17
  4. Step 4: Simplify right side
    57,361.49x = 2,650,997,110.58
  5. Step 5: Solve for x
    x = 2,650,997,110.58/57,361.49
  6. Step 6: Final answer
    x = 46,215.63

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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.