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Finding the Fourth Proportional to 3,360.96, 5,039.64 and 1,627.92

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Solution

The fourth proportional to 3,360.96, 5,039.64 and 1,627.92 is: 2,441.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.96 : 5,039.64 = 1,627.92 : x
  2. Step 2: Convert to fraction form
    3,360.96/5,039.64 = 1,627.92/x
  3. Step 3: Cross multiply
    3,360.96x = 5,039.64 × 1,627.92
  4. Step 4: Simplify right side
    3,360.96x = 8,204,130.75
  5. Step 5: Solve for x
    x = 8,204,130.75/3,360.96
  6. Step 6: Final answer
    x = 2,441.01

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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.