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Finding the Fourth Proportional to 6,383.36, 8,808.72 and 3,589.76

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Solution

The fourth proportional to 6,383.36, 8,808.72 and 3,589.76 is: 4,953.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,383.36 : 8,808.72 = 3,589.76 : x
  2. Step 2: Convert to fraction form
    6,383.36/8,808.72 = 3,589.76/x
  3. Step 3: Cross multiply
    6,383.36x = 8,808.72 × 3,589.76
  4. Step 4: Simplify right side
    6,383.36x = 31,621,190.71
  5. Step 5: Solve for x
    x = 31,621,190.71/6,383.36
  6. Step 6: Final answer
    x = 4,953.69

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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.