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Finding the Fourth Proportional to 4,997.99, 6,883.20 and 4,889.00

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Solution

The fourth proportional to 4,997.99, 6,883.20 and 4,889.00 is: 6,733.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,997.99 : 6,883.20 = 4,889.00 : x
  2. Step 2: Convert to fraction form
    4,997.99/6,883.20 = 4,889.00/x
  3. Step 3: Cross multiply
    4,997.99x = 6,883.20 × 4,889.00
  4. Step 4: Simplify right side
    4,997.99x = 33,651,947.36
  5. Step 5: Solve for x
    x = 33,651,947.36/4,997.99
  6. Step 6: Final answer
    x = 6,733.09

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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.