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Finding the Fourth Proportional to 5,409.92, 8,112.48 and 2,944.24

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Solution

The fourth proportional to 5,409.92, 8,112.48 and 2,944.24 is: 4,415.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,409.92 : 8,112.48 = 2,944.24 : x
  2. Step 2: Convert to fraction form
    5,409.92/8,112.48 = 2,944.24/x
  3. Step 3: Cross multiply
    5,409.92x = 8,112.48 × 2,944.24
  4. Step 4: Simplify right side
    5,409.92x = 23,885,088.12
  5. Step 5: Solve for x
    x = 23,885,088.12/5,409.92
  6. Step 6: Final answer
    x = 4,415.05

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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.