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Finding the Fourth Proportional to 5,959.55, 8,940.80 and 4,207.98

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Solution

The fourth proportional to 5,959.55, 8,940.80 and 4,207.98 is: 6,313.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,959.55 : 8,940.80 = 4,207.98 : x
  2. Step 2: Convert to fraction form
    5,959.55/8,940.80 = 4,207.98/x
  3. Step 3: Cross multiply
    5,959.55x = 8,940.80 × 4,207.98
  4. Step 4: Simplify right side
    5,959.55x = 37,622,727.96
  5. Step 5: Solve for x
    x = 37,622,727.96/5,959.55
  6. Step 6: Final answer
    x = 6,313.02

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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.