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Finding the Fourth Proportional to 57,690.04, 86,673.30 and 36,954.04

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Solution

The fourth proportional to 57,690.04, 86,673.30 and 36,954.04 is: 55,519.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,690.04 : 86,673.30 = 36,954.04 : x
  2. Step 2: Convert to fraction form
    57,690.04/86,673.30 = 36,954.04/x
  3. Step 3: Cross multiply
    57,690.04x = 86,673.30 × 36,954.04
  4. Step 4: Simplify right side
    57,690.04x = 3,202,928,595.13
  5. Step 5: Solve for x
    x = 3,202,928,595.13/57,690.04
  6. Step 6: Final answer
    x = 55,519.61

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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.