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Finding the Fourth Proportional to 6,632.86, 9,153.48 and 3,944.37

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Solution

The fourth proportional to 6,632.86, 9,153.48 and 3,944.37 is: 5,443.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,632.86 : 9,153.48 = 3,944.37 : x
  2. Step 2: Convert to fraction form
    6,632.86/9,153.48 = 3,944.37/x
  3. Step 3: Cross multiply
    6,632.86x = 9,153.48 × 3,944.37
  4. Step 4: Simplify right side
    6,632.86x = 36,104,711.91
  5. Step 5: Solve for x
    x = 36,104,711.91/6,632.86
  6. Step 6: Final answer
    x = 5,443.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.