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Finding the Fourth Proportional to 4,053.40, 6,077.40 and 1,974.40

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Solution

The fourth proportional to 4,053.40, 6,077.40 and 1,974.40 is: 2,960.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,053.40 : 6,077.40 = 1,974.40 : x
  2. Step 2: Convert to fraction form
    4,053.40/6,077.40 = 1,974.40/x
  3. Step 3: Cross multiply
    4,053.40x = 6,077.40 × 1,974.40
  4. Step 4: Simplify right side
    4,053.40x = 11,999,218.56
  5. Step 5: Solve for x
    x = 11,999,218.56/4,053.40
  6. Step 6: Final answer
    x = 2,960.28

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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.