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Finding the Fourth Proportional to 8,922.71, 13,383.54 and 2,682.58

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Solution

The fourth proportional to 8,922.71, 13,383.54 and 2,682.58 is: 4,023.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,922.71 : 13,383.54 = 2,682.58 : x
  2. Step 2: Convert to fraction form
    8,922.71/13,383.54 = 2,682.58/x
  3. Step 3: Cross multiply
    8,922.71x = 13,383.54 × 2,682.58
  4. Step 4: Simplify right side
    8,922.71x = 35,902,433.46
  5. Step 5: Solve for x
    x = 35,902,433.46/8,922.71
  6. Step 6: Final answer
    x = 4,023.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.