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Finding the Fourth Proportional to 4,797.86, 6,621.02 and 2,673.40

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Solution

The fourth proportional to 4,797.86, 6,621.02 and 2,673.40 is: 3,689.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,797.86 : 6,621.02 = 2,673.40 : x
  2. Step 2: Convert to fraction form
    4,797.86/6,621.02 = 2,673.40/x
  3. Step 3: Cross multiply
    4,797.86x = 6,621.02 × 2,673.40
  4. Step 4: Simplify right side
    4,797.86x = 17,700,634.87
  5. Step 5: Solve for x
    x = 17,700,634.87/4,797.86
  6. Step 6: Final answer
    x = 3,689.28

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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.