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Finding the Fourth Proportional to 6,868.01, 9,481.53 and 5,372.75

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Solution

The fourth proportional to 6,868.01, 9,481.53 and 5,372.75 is: 7,417.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,868.01 : 9,481.53 = 5,372.75 : x
  2. Step 2: Convert to fraction form
    6,868.01/9,481.53 = 5,372.75/x
  3. Step 3: Cross multiply
    6,868.01x = 9,481.53 × 5,372.75
  4. Step 4: Simplify right side
    6,868.01x = 50,941,890.31
  5. Step 5: Solve for x
    x = 50,941,890.31/6,868.01
  6. Step 6: Final answer
    x = 7,417.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.