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Finding the Fourth Proportional to 4,657.50, 6,986.97 and 1,580.22

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Solution

The fourth proportional to 4,657.50, 6,986.97 and 1,580.22 is: 2,370.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,657.50 : 6,986.97 = 1,580.22 : x
  2. Step 2: Convert to fraction form
    4,657.50/6,986.97 = 1,580.22/x
  3. Step 3: Cross multiply
    4,657.50x = 6,986.97 × 1,580.22
  4. Step 4: Simplify right side
    4,657.50x = 11,040,949.73
  5. Step 5: Solve for x
    x = 11,040,949.73/4,657.50
  6. Step 6: Final answer
    x = 2,370.57

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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.