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Finding the Fourth Proportional to 57,635.80, 79,535.82 and 32,142.94

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Solution

The fourth proportional to 57,635.80, 79,535.82 and 32,142.94 is: 44,356.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,635.80 : 79,535.82 = 32,142.94 : x
  2. Step 2: Convert to fraction form
    57,635.80/79,535.82 = 32,142.94/x
  3. Step 3: Cross multiply
    57,635.80x = 79,535.82 × 32,142.94
  4. Step 4: Simplify right side
    57,635.80x = 2,556,515,090.11
  5. Step 5: Solve for x
    x = 2,556,515,090.11/57,635.80
  6. Step 6: Final answer
    x = 44,356.37

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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.