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Finding the Fourth Proportional to 17,863.60, 24,651.48 and 9,905.62

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Solution

The fourth proportional to 17,863.60, 24,651.48 and 9,905.62 is: 13,669.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,863.60 : 24,651.48 = 9,905.62 : x
  2. Step 2: Convert to fraction form
    17,863.60/24,651.48 = 9,905.62/x
  3. Step 3: Cross multiply
    17,863.60x = 24,651.48 × 9,905.62
  4. Step 4: Simplify right side
    17,863.60x = 244,188,193.32
  5. Step 5: Solve for x
    x = 244,188,193.32/17,863.60
  6. Step 6: Final answer
    x = 13,669.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.