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Finding the Fourth Proportional to 2,217.13, 3,325.33 and 573.63

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Solution

The fourth proportional to 2,217.13, 3,325.33 and 573.63 is: 860.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217.13 : 3,325.33 = 573.63 : x
  2. Step 2: Convert to fraction form
    2,217.13/3,325.33 = 573.63/x
  3. Step 3: Cross multiply
    2,217.13x = 3,325.33 × 573.63
  4. Step 4: Simplify right side
    2,217.13x = 1,907,509.05
  5. Step 5: Solve for x
    x = 1,907,509.05/2,217.13
  6. Step 6: Final answer
    x = 860.35

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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.