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Finding the Fourth Proportional to 3,580.94, 5,366.54 and 2,659.98

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Solution

The fourth proportional to 3,580.94, 5,366.54 and 2,659.98 is: 3,986.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.94 : 5,366.54 = 2,659.98 : x
  2. Step 2: Convert to fraction form
    3,580.94/5,366.54 = 2,659.98/x
  3. Step 3: Cross multiply
    3,580.94x = 5,366.54 × 2,659.98
  4. Step 4: Simplify right side
    3,580.94x = 14,274,889.07
  5. Step 5: Solve for x
    x = 14,274,889.07/3,580.94
  6. Step 6: Final answer
    x = 3,986.35

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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.