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Finding the Fourth Proportional to 4,993.16, 6,891.76 and 3,003.32

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Solution

The fourth proportional to 4,993.16, 6,891.76 and 3,003.32 is: 4,145.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,993.16 : 6,891.76 = 3,003.32 : x
  2. Step 2: Convert to fraction form
    4,993.16/6,891.76 = 3,003.32/x
  3. Step 3: Cross multiply
    4,993.16x = 6,891.76 × 3,003.32
  4. Step 4: Simplify right side
    4,993.16x = 20,698,160.64
  5. Step 5: Solve for x
    x = 20,698,160.64/4,993.16
  6. Step 6: Final answer
    x = 4,145.30

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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.