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Finding the Fourth Proportional to 2,163.52, 2,986.32 and 1,464.88

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Solution

The fourth proportional to 2,163.52, 2,986.32 and 1,464.88 is: 2,021.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,163.52 : 2,986.32 = 1,464.88 : x
  2. Step 2: Convert to fraction form
    2,163.52/2,986.32 = 1,464.88/x
  3. Step 3: Cross multiply
    2,163.52x = 2,986.32 × 1,464.88
  4. Step 4: Simplify right side
    2,163.52x = 4,374,600.44
  5. Step 5: Solve for x
    x = 4,374,600.44/2,163.52
  6. Step 6: Final answer
    x = 2,021.98

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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.