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Finding the Fourth Proportional to 2,347.41, 3,239.28 and 1,299.50

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Solution

The fourth proportional to 2,347.41, 3,239.28 and 1,299.50 is: 1,793.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,347.41 : 3,239.28 = 1,299.50 : x
  2. Step 2: Convert to fraction form
    2,347.41/3,239.28 = 1,299.50/x
  3. Step 3: Cross multiply
    2,347.41x = 3,239.28 × 1,299.50
  4. Step 4: Simplify right side
    2,347.41x = 4,209,428.16
  5. Step 5: Solve for x
    x = 4,209,428.16/2,347.41
  6. Step 6: Final answer
    x = 1,793.22

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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.