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Finding the Fourth Proportional to 56,703.68, 84,958.32 and 40,033.88

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Solution

The fourth proportional to 56,703.68, 84,958.32 and 40,033.88 is: 59,982.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,703.68 : 84,958.32 = 40,033.88 : x
  2. Step 2: Convert to fraction form
    56,703.68/84,958.32 = 40,033.88/x
  3. Step 3: Cross multiply
    56,703.68x = 84,958.32 × 40,033.88
  4. Step 4: Simplify right side
    56,703.68x = 3,401,211,187.88
  5. Step 5: Solve for x
    x = 3,401,211,187.88/56,703.68
  6. Step 6: Final answer
    x = 59,982.19

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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.