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Finding the Fourth Proportional to 11,903.67, 17,850.06 and 6,355.71

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Solution

The fourth proportional to 11,903.67, 17,850.06 and 6,355.71 is: 9,530.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,903.67 : 17,850.06 = 6,355.71 : x
  2. Step 2: Convert to fraction form
    11,903.67/17,850.06 = 6,355.71/x
  3. Step 3: Cross multiply
    11,903.67x = 17,850.06 × 6,355.71
  4. Step 4: Simplify right side
    11,903.67x = 113,449,804.84
  5. Step 5: Solve for x
    x = 113,449,804.84/11,903.67
  6. Step 6: Final answer
    x = 9,530.66

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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.