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Finding the Fourth Proportional to 4,262.09, 6,393.14 and 1,953.59

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Solution

The fourth proportional to 4,262.09, 6,393.14 and 1,953.59 is: 2,930.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,262.09 : 6,393.14 = 1,953.59 : x
  2. Step 2: Convert to fraction form
    4,262.09/6,393.14 = 1,953.59/x
  3. Step 3: Cross multiply
    4,262.09x = 6,393.14 × 1,953.59
  4. Step 4: Simplify right side
    4,262.09x = 12,489,574.37
  5. Step 5: Solve for x
    x = 12,489,574.37/4,262.09
  6. Step 6: Final answer
    x = 2,930.39

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.