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Finding the Fourth Proportional to 57,810.66, 79,791.57 and 35,144.85

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Solution

The fourth proportional to 57,810.66, 79,791.57 and 35,144.85 is: 48,507.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,810.66 : 79,791.57 = 35,144.85 : x
  2. Step 2: Convert to fraction form
    57,810.66/79,791.57 = 35,144.85/x
  3. Step 3: Cross multiply
    57,810.66x = 79,791.57 × 35,144.85
  4. Step 4: Simplify right side
    57,810.66x = 2,804,262,359.96
  5. Step 5: Solve for x
    x = 2,804,262,359.96/57,810.66
  6. Step 6: Final answer
    x = 48,507.70

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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.