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Finding the Fourth Proportional to 12,683.99, 19,027.31 and 4,363.01

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Solution

The fourth proportional to 12,683.99, 19,027.31 and 4,363.01 is: 6,544.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,683.99 : 19,027.31 = 4,363.01 : x
  2. Step 2: Convert to fraction form
    12,683.99/19,027.31 = 4,363.01/x
  3. Step 3: Cross multiply
    12,683.99x = 19,027.31 × 4,363.01
  4. Step 4: Simplify right side
    12,683.99x = 83,016,405.23
  5. Step 5: Solve for x
    x = 83,016,405.23/12,683.99
  6. Step 6: Final answer
    x = 6,544.97

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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.