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Finding the Fourth Proportional to 17,364.56, 23,994.88 and 12,640.64

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Solution

The fourth proportional to 17,364.56, 23,994.88 and 12,640.64 is: 17,467.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,364.56 : 23,994.88 = 12,640.64 : x
  2. Step 2: Convert to fraction form
    17,364.56/23,994.88 = 12,640.64/x
  3. Step 3: Cross multiply
    17,364.56x = 23,994.88 × 12,640.64
  4. Step 4: Simplify right side
    17,364.56x = 303,310,639.92
  5. Step 5: Solve for x
    x = 303,310,639.92/17,364.56
  6. Step 6: Final answer
    x = 17,467.22

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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.