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Finding the Fourth Proportional to 1,595.43, 2,394.09 and 622.35

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Solution

The fourth proportional to 1,595.43, 2,394.09 and 622.35 is: 933.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,595.43 : 2,394.09 = 622.35 : x
  2. Step 2: Convert to fraction form
    1,595.43/2,394.09 = 622.35/x
  3. Step 3: Cross multiply
    1,595.43x = 2,394.09 × 622.35
  4. Step 4: Simplify right side
    1,595.43x = 1,489,961.91
  5. Step 5: Solve for x
    x = 1,489,961.91/1,595.43
  6. Step 6: Final answer
    x = 933.89

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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.