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Finding the Fourth Proportional to 52,550.81, 72,520.12 and 33,687.94

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Solution

The fourth proportional to 52,550.81, 72,520.12 and 33,687.94 is: 46,489.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,550.81 : 72,520.12 = 33,687.94 : x
  2. Step 2: Convert to fraction form
    52,550.81/72,520.12 = 33,687.94/x
  3. Step 3: Cross multiply
    52,550.81x = 72,520.12 × 33,687.94
  4. Step 4: Simplify right side
    52,550.81x = 2,443,053,451.35
  5. Step 5: Solve for x
    x = 2,443,053,451.35/52,550.81
  6. Step 6: Final answer
    x = 46,489.36

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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.