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Finding the Fourth Proportional to 2,051.06, 3,077.40 and 896

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Solution

The fourth proportional to 2,051.06, 3,077.40 and 896 is: 1,344.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,051.06 : 3,077.40 = 896 : x
  2. Step 2: Convert to fraction form
    2,051.06/3,077.40 = 896/x
  3. Step 3: Cross multiply
    2,051.06x = 3,077.40 × 896
  4. Step 4: Simplify right side
    2,051.06x = 2,757,350.40
  5. Step 5: Solve for x
    x = 2,757,350.40/2,051.06
  6. Step 6: Final answer
    x = 1,344.35

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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.