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Finding the Fourth Proportional to 4,995, 6,893.37 and 2,899.80

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Solution

The fourth proportional to 4,995, 6,893.37 and 2,899.80 is: 4,001.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,995 : 6,893.37 = 2,899.80 : x
  2. Step 2: Convert to fraction form
    4,995/6,893.37 = 2,899.80/x
  3. Step 3: Cross multiply
    4,995x = 6,893.37 × 2,899.80
  4. Step 4: Simplify right side
    4,995x = 19,989,394.33
  5. Step 5: Solve for x
    x = 19,989,394.33/4,995
  6. Step 6: Final answer
    x = 4,001.88

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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.