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Finding the Fourth Proportional to 5,002.88, 6,903.33 and 2,986.29

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Solution

The fourth proportional to 5,002.88, 6,903.33 and 2,986.29 is: 4,120.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,002.88 : 6,903.33 = 2,986.29 : x
  2. Step 2: Convert to fraction form
    5,002.88/6,903.33 = 2,986.29/x
  3. Step 3: Cross multiply
    5,002.88x = 6,903.33 × 2,986.29
  4. Step 4: Simplify right side
    5,002.88x = 20,615,345.35
  5. Step 5: Solve for x
    x = 20,615,345.35/5,002.88
  6. Step 6: Final answer
    x = 4,120.70

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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.