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Finding the Fourth Proportional to 5,659.98, 8,490.84 and 2,738.46

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Solution

The fourth proportional to 5,659.98, 8,490.84 and 2,738.46 is: 4,108.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,659.98 : 8,490.84 = 2,738.46 : x
  2. Step 2: Convert to fraction form
    5,659.98/8,490.84 = 2,738.46/x
  3. Step 3: Cross multiply
    5,659.98x = 8,490.84 × 2,738.46
  4. Step 4: Simplify right side
    5,659.98x = 23,251,825.71
  5. Step 5: Solve for x
    x = 23,251,825.71/5,659.98
  6. Step 6: Final answer
    x = 4,108.11

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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.