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Finding the Fourth Proportional to 12,404.84, 18,610.29 and 6,167.79

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Solution

The fourth proportional to 12,404.84, 18,610.29 and 6,167.79 is: 9,253.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,404.84 : 18,610.29 = 6,167.79 : x
  2. Step 2: Convert to fraction form
    12,404.84/18,610.29 = 6,167.79/x
  3. Step 3: Cross multiply
    12,404.84x = 18,610.29 × 6,167.79
  4. Step 4: Simplify right side
    12,404.84x = 114,784,383.69
  5. Step 5: Solve for x
    x = 114,784,383.69/12,404.84
  6. Step 6: Final answer
    x = 9,253.19

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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.