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Finding the Fourth Proportional to 2,353.56, 3,530.39 and 622.23

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Solution

The fourth proportional to 2,353.56, 3,530.39 and 622.23 is: 933.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,353.56 : 3,530.39 = 622.23 : x
  2. Step 2: Convert to fraction form
    2,353.56/3,530.39 = 622.23/x
  3. Step 3: Cross multiply
    2,353.56x = 3,530.39 × 622.23
  4. Step 4: Simplify right side
    2,353.56x = 2,196,711.46
  5. Step 5: Solve for x
    x = 2,196,711.46/2,353.56
  6. Step 6: Final answer
    x = 933.36

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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.