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Finding the Fourth Proportional to 2,321.41, 3,203.99 and 1,437.61

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Solution

The fourth proportional to 2,321.41, 3,203.99 and 1,437.61 is: 1,984.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321.41 : 3,203.99 = 1,437.61 : x
  2. Step 2: Convert to fraction form
    2,321.41/3,203.99 = 1,437.61/x
  3. Step 3: Cross multiply
    2,321.41x = 3,203.99 × 1,437.61
  4. Step 4: Simplify right side
    2,321.41x = 4,606,088.06
  5. Step 5: Solve for x
    x = 4,606,088.06/2,321.41
  6. Step 6: Final answer
    x = 1,984.18

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.