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Finding the Fourth Proportional to 1,626.73, 2,439.26 and 701.06

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Solution

The fourth proportional to 1,626.73, 2,439.26 and 701.06 is: 1,051.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,626.73 : 2,439.26 = 701.06 : x
  2. Step 2: Convert to fraction form
    1,626.73/2,439.26 = 701.06/x
  3. Step 3: Cross multiply
    1,626.73x = 2,439.26 × 701.06
  4. Step 4: Simplify right side
    1,626.73x = 1,710,058.49
  5. Step 5: Solve for x
    x = 1,710,058.49/1,626.73
  6. Step 6: Final answer
    x = 1,051.22

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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.