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Finding the Fourth Proportional to 43,927.92, 65,893.71 and 12,763.17

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Solution

The fourth proportional to 43,927.92, 65,893.71 and 12,763.17 is: 19,145.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,927.92 : 65,893.71 = 12,763.17 : x
  2. Step 2: Convert to fraction form
    43,927.92/65,893.71 = 12,763.17/x
  3. Step 3: Cross multiply
    43,927.92x = 65,893.71 × 12,763.17
  4. Step 4: Simplify right side
    43,927.92x = 841,012,622.66
  5. Step 5: Solve for x
    x = 841,012,622.66/43,927.92
  6. Step 6: Final answer
    x = 19,145.29

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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.