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Finding the Fourth Proportional to 57,310.40, 79,100.73 and 43,733.72

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Solution

The fourth proportional to 57,310.40, 79,100.73 and 43,733.72 is: 60,361.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,310.40 : 79,100.73 = 43,733.72 : x
  2. Step 2: Convert to fraction form
    57,310.40/79,100.73 = 43,733.72/x
  3. Step 3: Cross multiply
    57,310.40x = 79,100.73 × 43,733.72
  4. Step 4: Simplify right side
    57,310.40x = 3,459,369,375.37
  5. Step 5: Solve for x
    x = 3,459,369,375.37/57,310.40
  6. Step 6: Final answer
    x = 60,361.98

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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.