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Finding the Fourth Proportional to 4,996.40, 6,893.88 and 2,899.28

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Solution

The fourth proportional to 4,996.40, 6,893.88 and 2,899.28 is: 4,000.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,996.40 : 6,893.88 = 2,899.28 : x
  2. Step 2: Convert to fraction form
    4,996.40/6,893.88 = 2,899.28/x
  3. Step 3: Cross multiply
    4,996.40x = 6,893.88 × 2,899.28
  4. Step 4: Simplify right side
    4,996.40x = 19,987,288.41
  5. Step 5: Solve for x
    x = 19,987,288.41/4,996.40
  6. Step 6: Final answer
    x = 4,000.34

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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.