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Finding the Fourth Proportional to 2,950.54, 4,421.70 and 2,219.27

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Solution

The fourth proportional to 2,950.54, 4,421.70 and 2,219.27 is: 3,325.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,950.54 : 4,421.70 = 2,219.27 : x
  2. Step 2: Convert to fraction form
    2,950.54/4,421.70 = 2,219.27/x
  3. Step 3: Cross multiply
    2,950.54x = 4,421.70 × 2,219.27
  4. Step 4: Simplify right side
    2,950.54x = 9,812,924.05
  5. Step 5: Solve for x
    x = 9,812,924.05/2,950.54
  6. Step 6: Final answer
    x = 3,325.81

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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.