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Finding the Fourth Proportional to 6,659.88, 9,984.06 and 2,553

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Solution

The fourth proportional to 6,659.88, 9,984.06 and 2,553 is: 3,827.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,659.88 : 9,984.06 = 2,553 : x
  2. Step 2: Convert to fraction form
    6,659.88/9,984.06 = 2,553/x
  3. Step 3: Cross multiply
    6,659.88x = 9,984.06 × 2,553
  4. Step 4: Simplify right side
    6,659.88x = 25,489,305.18
  5. Step 5: Solve for x
    x = 25,489,305.18/6,659.88
  6. Step 6: Final answer
    x = 3,827.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.