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Finding the Fourth Proportional to 20,603.25, 30,893.94 and 9,504.24

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Solution

The fourth proportional to 20,603.25, 30,893.94 and 9,504.24 is: 14,251.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,603.25 : 30,893.94 = 9,504.24 : x
  2. Step 2: Convert to fraction form
    20,603.25/30,893.94 = 9,504.24/x
  3. Step 3: Cross multiply
    20,603.25x = 30,893.94 × 9,504.24
  4. Step 4: Simplify right side
    20,603.25x = 293,623,420.31
  5. Step 5: Solve for x
    x = 293,623,420.31/20,603.25
  6. Step 6: Final answer
    x = 14,251.32

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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.