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Finding the Fourth Proportional to 3,667.92, 5,495.48 and 3,055.56

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Solution

The fourth proportional to 3,667.92, 5,495.48 and 3,055.56 is: 4,578.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,667.92 : 5,495.48 = 3,055.56 : x
  2. Step 2: Convert to fraction form
    3,667.92/5,495.48 = 3,055.56/x
  3. Step 3: Cross multiply
    3,667.92x = 5,495.48 × 3,055.56
  4. Step 4: Simplify right side
    3,667.92x = 16,791,768.87
  5. Step 5: Solve for x
    x = 16,791,768.87/3,667.92
  6. Step 6: Final answer
    x = 4,578.01

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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.