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Finding the Fourth Proportional to 19,906.74, 29,860.02 and 5,867.07

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Solution

The fourth proportional to 19,906.74, 29,860.02 and 5,867.07 is: 8,800.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,906.74 : 29,860.02 = 5,867.07 : x
  2. Step 2: Convert to fraction form
    19,906.74/29,860.02 = 5,867.07/x
  3. Step 3: Cross multiply
    19,906.74x = 29,860.02 × 5,867.07
  4. Step 4: Simplify right side
    19,906.74x = 175,190,827.54
  5. Step 5: Solve for x
    x = 175,190,827.54/19,906.74
  6. Step 6: Final answer
    x = 8,800.58

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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.