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Finding the Fourth Proportional to 4,906.86, 7,342.11 and 2,933.58

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Solution

The fourth proportional to 4,906.86, 7,342.11 and 2,933.58 is: 4,389.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,906.86 : 7,342.11 = 2,933.58 : x
  2. Step 2: Convert to fraction form
    4,906.86/7,342.11 = 2,933.58/x
  3. Step 3: Cross multiply
    4,906.86x = 7,342.11 × 2,933.58
  4. Step 4: Simplify right side
    4,906.86x = 21,538,667.05
  5. Step 5: Solve for x
    x = 21,538,667.05/4,906.86
  6. Step 6: Final answer
    x = 4,389.50

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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.