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Finding the Fourth Proportional to 57,550.49, 86,406.50 and 29,490.70

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Solution

The fourth proportional to 57,550.49, 86,406.50 and 29,490.70 is: 44,277.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,550.49 : 86,406.50 = 29,490.70 : x
  2. Step 2: Convert to fraction form
    57,550.49/86,406.50 = 29,490.70/x
  3. Step 3: Cross multiply
    57,550.49x = 86,406.50 × 29,490.70
  4. Step 4: Simplify right side
    57,550.49x = 2,548,188,169.55
  5. Step 5: Solve for x
    x = 2,548,188,169.55/57,550.49
  6. Step 6: Final answer
    x = 44,277.44

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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.