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Finding the Fourth Proportional to 4,889.59, 6,747.63 and 2,651.45

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Solution

The fourth proportional to 4,889.59, 6,747.63 and 2,651.45 is: 3,659.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,889.59 : 6,747.63 = 2,651.45 : x
  2. Step 2: Convert to fraction form
    4,889.59/6,747.63 = 2,651.45/x
  3. Step 3: Cross multiply
    4,889.59x = 6,747.63 × 2,651.45
  4. Step 4: Simplify right side
    4,889.59x = 17,891,003.56
  5. Step 5: Solve for x
    x = 17,891,003.56/4,889.59
  6. Step 6: Final answer
    x = 3,659.00

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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.