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Finding the Fourth Proportional to 9,168.73, 13,753.84 and 2,929.63

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Solution

The fourth proportional to 9,168.73, 13,753.84 and 2,929.63 is: 4,394.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,168.73 : 13,753.84 = 2,929.63 : x
  2. Step 2: Convert to fraction form
    9,168.73/13,753.84 = 2,929.63/x
  3. Step 3: Cross multiply
    9,168.73x = 13,753.84 × 2,929.63
  4. Step 4: Simplify right side
    9,168.73x = 40,293,662.28
  5. Step 5: Solve for x
    x = 40,293,662.28/9,168.73
  6. Step 6: Final answer
    x = 4,394.68

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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.