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Finding the Fourth Proportional to 2,357.22, 3,535.82 and 625.84

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Solution

The fourth proportional to 2,357.22, 3,535.82 and 625.84 is: 938.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,357.22 : 3,535.82 = 625.84 : x
  2. Step 2: Convert to fraction form
    2,357.22/3,535.82 = 625.84/x
  3. Step 3: Cross multiply
    2,357.22x = 3,535.82 × 625.84
  4. Step 4: Simplify right side
    2,357.22x = 2,212,857.59
  5. Step 5: Solve for x
    x = 2,212,857.59/2,357.22
  6. Step 6: Final answer
    x = 938.76

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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.