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Finding the Fourth Proportional to 57,205.99, 85,821.38 and 23,472.09

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Solution

The fourth proportional to 57,205.99, 85,821.38 and 23,472.09 is: 35,213.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,205.99 : 85,821.38 = 23,472.09 : x
  2. Step 2: Convert to fraction form
    57,205.99/85,821.38 = 23,472.09/x
  3. Step 3: Cross multiply
    57,205.99x = 85,821.38 × 23,472.09
  4. Step 4: Simplify right side
    57,205.99x = 2,014,407,155.28
  5. Step 5: Solve for x
    x = 2,014,407,155.28/57,205.99
  6. Step 6: Final answer
    x = 35,213.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.