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Finding the Fourth Proportional to 2,295.40, 3,443.08 and 834

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Solution

The fourth proportional to 2,295.40, 3,443.08 and 834 is: 1,250.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,295.40 : 3,443.08 = 834 : x
  2. Step 2: Convert to fraction form
    2,295.40/3,443.08 = 834/x
  3. Step 3: Cross multiply
    2,295.40x = 3,443.08 × 834
  4. Step 4: Simplify right side
    2,295.40x = 2,871,528.72
  5. Step 5: Solve for x
    x = 2,871,528.72/2,295.40
  6. Step 6: Final answer
    x = 1,250.99

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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.