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Finding the Fourth Proportional to 4,993.65, 6,890.94 and 2,755.74

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Solution

The fourth proportional to 4,993.65, 6,890.94 and 2,755.74 is: 3,802.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,993.65 : 6,890.94 = 2,755.74 : x
  2. Step 2: Convert to fraction form
    4,993.65/6,890.94 = 2,755.74/x
  3. Step 3: Cross multiply
    4,993.65x = 6,890.94 × 2,755.74
  4. Step 4: Simplify right side
    4,993.65x = 18,989,613.15
  5. Step 5: Solve for x
    x = 18,989,613.15/4,993.65
  6. Step 6: Final answer
    x = 3,802.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.