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Finding the Fourth Proportional to 57,764.99, 79,707.80 and 32,268.20

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Solution

The fourth proportional to 57,764.99, 79,707.80 and 32,268.20 is: 44,525.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,764.99 : 79,707.80 = 32,268.20 : x
  2. Step 2: Convert to fraction form
    57,764.99/79,707.80 = 32,268.20/x
  3. Step 3: Cross multiply
    57,764.99x = 79,707.80 × 32,268.20
  4. Step 4: Simplify right side
    57,764.99x = 2,572,027,495.87
  5. Step 5: Solve for x
    x = 2,572,027,495.87/57,764.99
  6. Step 6: Final answer
    x = 44,525.71

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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.