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Finding the Fourth Proportional to 2,383.75, 3,558.10 and 2,216.62

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Solution

The fourth proportional to 2,383.75, 3,558.10 and 2,216.62 is: 3,308.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,383.75 : 3,558.10 = 2,216.62 : x
  2. Step 2: Convert to fraction form
    2,383.75/3,558.10 = 2,216.62/x
  3. Step 3: Cross multiply
    2,383.75x = 3,558.10 × 2,216.62
  4. Step 4: Simplify right side
    2,383.75x = 7,886,953.43
  5. Step 5: Solve for x
    x = 7,886,953.43/2,383.75
  6. Step 6: Final answer
    x = 3,308.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.