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Finding the Fourth Proportional to 55,479.72, 83,231.90 and 16,033.85

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Solution

The fourth proportional to 55,479.72, 83,231.90 and 16,033.85 is: 24,054.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,479.72 : 83,231.90 = 16,033.85 : x
  2. Step 2: Convert to fraction form
    55,479.72/83,231.90 = 16,033.85/x
  3. Step 3: Cross multiply
    55,479.72x = 83,231.90 × 16,033.85
  4. Step 4: Simplify right side
    55,479.72x = 1,334,527,303.49
  5. Step 5: Solve for x
    x = 1,334,527,303.49/55,479.72
  6. Step 6: Final answer
    x = 24,054.33

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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.