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Finding the Fourth Proportional to 23,792.64, 35,678.60 and 12,696.84

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Solution

The fourth proportional to 23,792.64, 35,678.60 and 12,696.84 is: 19,039.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,792.64 : 35,678.60 = 12,696.84 : x
  2. Step 2: Convert to fraction form
    23,792.64/35,678.60 = 12,696.84/x
  3. Step 3: Cross multiply
    23,792.64x = 35,678.60 × 12,696.84
  4. Step 4: Simplify right side
    23,792.64x = 453,005,475.62
  5. Step 5: Solve for x
    x = 453,005,475.62/23,792.64
  6. Step 6: Final answer
    x = 19,039.73

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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.