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Finding the Fourth Proportional to 2,357.98, 3,536.96 and 626.60

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Solution

The fourth proportional to 2,357.98, 3,536.96 and 626.60 is: 939.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,357.98 : 3,536.96 = 626.60 : x
  2. Step 2: Convert to fraction form
    2,357.98/3,536.96 = 626.60/x
  3. Step 3: Cross multiply
    2,357.98x = 3,536.96 × 626.60
  4. Step 4: Simplify right side
    2,357.98x = 2,216,269.54
  5. Step 5: Solve for x
    x = 2,216,269.54/2,357.98
  6. Step 6: Final answer
    x = 939.90

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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.