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Finding the Fourth Proportional to 6,383.44, 8,809.15 and 3,588.94

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Solution

The fourth proportional to 6,383.44, 8,809.15 and 3,588.94 is: 4,952.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,383.44 : 8,809.15 = 3,588.94 : x
  2. Step 2: Convert to fraction form
    6,383.44/8,809.15 = 3,588.94/x
  3. Step 3: Cross multiply
    6,383.44x = 8,809.15 × 3,588.94
  4. Step 4: Simplify right side
    6,383.44x = 31,615,479.81
  5. Step 5: Solve for x
    x = 31,615,479.81/6,383.44
  6. Step 6: Final answer
    x = 4,952.74

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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.