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Finding the Fourth Proportional to 2,223.94, 3,337.26 and 925.39

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Solution

The fourth proportional to 2,223.94, 3,337.26 and 925.39 is: 1,388.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,223.94 : 3,337.26 = 925.39 : x
  2. Step 2: Convert to fraction form
    2,223.94/3,337.26 = 925.39/x
  3. Step 3: Cross multiply
    2,223.94x = 3,337.26 × 925.39
  4. Step 4: Simplify right side
    2,223.94x = 3,088,267.03
  5. Step 5: Solve for x
    x = 3,088,267.03/2,223.94
  6. Step 6: Final answer
    x = 1,388.65

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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.