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Finding the Fourth Proportional to 6,880.97, 10,305.05 and 3,756.31

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Solution

The fourth proportional to 6,880.97, 10,305.05 and 3,756.31 is: 5,625.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,880.97 : 10,305.05 = 3,756.31 : x
  2. Step 2: Convert to fraction form
    6,880.97/10,305.05 = 3,756.31/x
  3. Step 3: Cross multiply
    6,880.97x = 10,305.05 × 3,756.31
  4. Step 4: Simplify right side
    6,880.97x = 38,708,917.82
  5. Step 5: Solve for x
    x = 38,708,917.82/6,880.97
  6. Step 6: Final answer
    x = 5,625.50

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1.5x scale

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.