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Finding the Fourth Proportional to 12,667.63, 19,001.44 and 3,433.63

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Solution

The fourth proportional to 12,667.63, 19,001.44 and 3,433.63 is: 5,150.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,667.63 : 19,001.44 = 3,433.63 : x
  2. Step 2: Convert to fraction form
    12,667.63/19,001.44 = 3,433.63/x
  3. Step 3: Cross multiply
    12,667.63x = 19,001.44 × 3,433.63
  4. Step 4: Simplify right side
    12,667.63x = 65,243,914.43
  5. Step 5: Solve for x
    x = 65,243,914.43/12,667.63
  6. Step 6: Final answer
    x = 5,150.44

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Double scale
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Similar ratio
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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.