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Finding the Fourth Proportional to 9,348.67, 13,954.60 and 8,241.49

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Solution

The fourth proportional to 9,348.67, 13,954.60 and 8,241.49 is: 12,301.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,348.67 : 13,954.60 = 8,241.49 : x
  2. Step 2: Convert to fraction form
    9,348.67/13,954.60 = 8,241.49/x
  3. Step 3: Cross multiply
    9,348.67x = 13,954.60 × 8,241.49
  4. Step 4: Simplify right side
    9,348.67x = 115,006,696.35
  5. Step 5: Solve for x
    x = 115,006,696.35/9,348.67
  6. Step 6: Final answer
    x = 12,301.93

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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.