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Finding the Fourth Proportional to 6,383.51, 8,809.53 and 3,550.91

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Solution

The fourth proportional to 6,383.51, 8,809.53 and 3,550.91 is: 4,900.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,383.51 : 8,809.53 = 3,550.91 : x
  2. Step 2: Convert to fraction form
    6,383.51/8,809.53 = 3,550.91/x
  3. Step 3: Cross multiply
    6,383.51x = 8,809.53 × 3,550.91
  4. Step 4: Simplify right side
    6,383.51x = 31,281,804.12
  5. Step 5: Solve for x
    x = 31,281,804.12/6,383.51
  6. Step 6: Final answer
    x = 4,900.41

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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.