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Finding the Fourth Proportional to 6,914.79, 10,372.19 and 2,963.49

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Solution

The fourth proportional to 6,914.79, 10,372.19 and 2,963.49 is: 4,445.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,914.79 : 10,372.19 = 2,963.49 : x
  2. Step 2: Convert to fraction form
    6,914.79/10,372.19 = 2,963.49/x
  3. Step 3: Cross multiply
    6,914.79x = 10,372.19 × 2,963.49
  4. Step 4: Simplify right side
    6,914.79x = 30,737,852.63
  5. Step 5: Solve for x
    x = 30,737,852.63/6,914.79
  6. Step 6: Final answer
    x = 4,445.23

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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.