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Finding the Fourth Proportional to 4,937.94, 6,813.89 and 2,699.69

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Solution

The fourth proportional to 4,937.94, 6,813.89 and 2,699.69 is: 3,725.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,937.94 : 6,813.89 = 2,699.69 : x
  2. Step 2: Convert to fraction form
    4,937.94/6,813.89 = 2,699.69/x
  3. Step 3: Cross multiply
    4,937.94x = 6,813.89 × 2,699.69
  4. Step 4: Simplify right side
    4,937.94x = 18,395,343.13
  5. Step 5: Solve for x
    x = 18,395,343.13/4,937.94
  6. Step 6: Final answer
    x = 3,725.31

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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.