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Finding the Fourth Proportional to 1,595.68, 2,393 and 622.12

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Solution

The fourth proportional to 1,595.68, 2,393 and 622.12 is: 932.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,595.68 : 2,393 = 622.12 : x
  2. Step 2: Convert to fraction form
    1,595.68/2,393 = 622.12/x
  3. Step 3: Cross multiply
    1,595.68x = 2,393 × 622.12
  4. Step 4: Simplify right side
    1,595.68x = 1,488,733.16
  5. Step 5: Solve for x
    x = 1,488,733.16/1,595.68
  6. Step 6: Final answer
    x = 932.98

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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.