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Finding the Fourth Proportional to 57,505.80, 86,291.10 and 22,440.90

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Solution

The fourth proportional to 57,505.80, 86,291.10 and 22,440.90 is: 33,673.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,505.80 : 86,291.10 = 22,440.90 : x
  2. Step 2: Convert to fraction form
    57,505.80/86,291.10 = 22,440.90/x
  3. Step 3: Cross multiply
    57,505.80x = 86,291.10 × 22,440.90
  4. Step 4: Simplify right side
    57,505.80x = 1,936,449,945.99
  5. Step 5: Solve for x
    x = 1,936,449,945.99/57,505.80
  6. Step 6: Final answer
    x = 33,673.99

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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.