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Finding the Fourth Proportional to 3,560.54, 4,913.59 and 2,163.42

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Solution

The fourth proportional to 3,560.54, 4,913.59 and 2,163.42 is: 2,985.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,560.54 : 4,913.59 = 2,163.42 : x
  2. Step 2: Convert to fraction form
    3,560.54/4,913.59 = 2,163.42/x
  3. Step 3: Cross multiply
    3,560.54x = 4,913.59 × 2,163.42
  4. Step 4: Simplify right side
    3,560.54x = 10,630,158.88
  5. Step 5: Solve for x
    x = 10,630,158.88/3,560.54
  6. Step 6: Final answer
    x = 2,985.55

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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.