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Finding the Fourth Proportional to 2,896.51, 4,344.77 and 705.23

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Solution

The fourth proportional to 2,896.51, 4,344.77 and 705.23 is: 1,057.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,896.51 : 4,344.77 = 705.23 : x
  2. Step 2: Convert to fraction form
    2,896.51/4,344.77 = 705.23/x
  3. Step 3: Cross multiply
    2,896.51x = 4,344.77 × 705.23
  4. Step 4: Simplify right side
    2,896.51x = 3,064,058.62
  5. Step 5: Solve for x
    x = 3,064,058.62/2,896.51
  6. Step 6: Final answer
    x = 1,057.85

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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.