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Finding the Fourth Proportional to 2,353.08, 3,529.04 and 966.80

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Solution

The fourth proportional to 2,353.08, 3,529.04 and 966.80 is: 1,449.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,353.08 : 3,529.04 = 966.80 : x
  2. Step 2: Convert to fraction form
    2,353.08/3,529.04 = 966.80/x
  3. Step 3: Cross multiply
    2,353.08x = 3,529.04 × 966.80
  4. Step 4: Simplify right side
    2,353.08x = 3,411,879.86
  5. Step 5: Solve for x
    x = 3,411,879.86/2,353.08
  6. Step 6: Final answer
    x = 1,449.96

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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.