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Finding the Fourth Proportional to 57,684.64, 79,589.76 and 33,798.48

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Solution

The fourth proportional to 57,684.64, 79,589.76 and 33,798.48 is: 46,633.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,684.64 : 79,589.76 = 33,798.48 : x
  2. Step 2: Convert to fraction form
    57,684.64/79,589.76 = 33,798.48/x
  3. Step 3: Cross multiply
    57,684.64x = 79,589.76 × 33,798.48
  4. Step 4: Simplify right side
    57,684.64x = 2,690,012,911.56
  5. Step 5: Solve for x
    x = 2,690,012,911.56/57,684.64
  6. Step 6: Final answer
    x = 46,633.09

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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.