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Finding the Fourth Proportional to 57,505.00, 86,265.59 and 20,059.61

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Solution

The fourth proportional to 57,505.00, 86,265.59 and 20,059.61 is: 30,092.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,505.00 : 86,265.59 = 20,059.61 : x
  2. Step 2: Convert to fraction form
    57,505.00/86,265.59 = 20,059.61/x
  3. Step 3: Cross multiply
    57,505.00x = 86,265.59 × 20,059.61
  4. Step 4: Simplify right side
    57,505.00x = 1,730,453,660.49
  5. Step 5: Solve for x
    x = 1,730,453,660.49/57,505.00
  6. Step 6: Final answer
    x = 30,092.23

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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.