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Finding the Fourth Proportional to 15,996.46, 23,996.88 and 5,463.64

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Solution

The fourth proportional to 15,996.46, 23,996.88 and 5,463.64 is: 8,196.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,996.46 : 23,996.88 = 5,463.64 : x
  2. Step 2: Convert to fraction form
    15,996.46/23,996.88 = 5,463.64/x
  3. Step 3: Cross multiply
    15,996.46x = 23,996.88 × 5,463.64
  4. Step 4: Simplify right side
    15,996.46x = 131,110,313.44
  5. Step 5: Solve for x
    x = 131,110,313.44/15,996.46
  6. Step 6: Final answer
    x = 8,196.21

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Double scale
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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.