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Finding the Fourth Proportional to 57,693.99, 79,618.23 and 33,500.19

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Solution

The fourth proportional to 57,693.99, 79,618.23 and 33,500.19 is: 46,230.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,693.99 : 79,618.23 = 33,500.19 : x
  2. Step 2: Convert to fraction form
    57,693.99/79,618.23 = 33,500.19/x
  3. Step 3: Cross multiply
    57,693.99x = 79,618.23 × 33,500.19
  4. Step 4: Simplify right side
    57,693.99x = 2,667,225,832.46
  5. Step 5: Solve for x
    x = 2,667,225,832.46/57,693.99
  6. Step 6: Final answer
    x = 46,230.57

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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.