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Finding the Fourth Proportional to 15,194.60, 22,791.90 and 9,945.80

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Solution

The fourth proportional to 15,194.60, 22,791.90 and 9,945.80 is: 14,918.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,194.60 : 22,791.90 = 9,945.80 : x
  2. Step 2: Convert to fraction form
    15,194.60/22,791.90 = 9,945.80/x
  3. Step 3: Cross multiply
    15,194.60x = 22,791.90 × 9,945.80
  4. Step 4: Simplify right side
    15,194.60x = 226,683,679.02
  5. Step 5: Solve for x
    x = 226,683,679.02/15,194.60
  6. Step 6: Final answer
    x = 14,918.70

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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.