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Finding the Fourth Proportional to 4,372.36, 6,524.72 and 3,905.11

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Solution

The fourth proportional to 4,372.36, 6,524.72 and 3,905.11 is: 5,827.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,372.36 : 6,524.72 = 3,905.11 : x
  2. Step 2: Convert to fraction form
    4,372.36/6,524.72 = 3,905.11/x
  3. Step 3: Cross multiply
    4,372.36x = 6,524.72 × 3,905.11
  4. Step 4: Simplify right side
    4,372.36x = 25,479,749.32
  5. Step 5: Solve for x
    x = 25,479,749.32/4,372.36
  6. Step 6: Final answer
    x = 5,827.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.