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Finding the Fourth Proportional to 4,399.95, 6,592.98 and 1,622.80

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Solution

The fourth proportional to 4,399.95, 6,592.98 and 1,622.80 is: 2,431.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,399.95 : 6,592.98 = 1,622.80 : x
  2. Step 2: Convert to fraction form
    4,399.95/6,592.98 = 1,622.80/x
  3. Step 3: Cross multiply
    4,399.95x = 6,592.98 × 1,622.80
  4. Step 4: Simplify right side
    4,399.95x = 10,699,087.94
  5. Step 5: Solve for x
    x = 10,699,087.94/4,399.95
  6. Step 6: Final answer
    x = 2,431.64

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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.