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Finding the Fourth Proportional to 46,420.44, 69,622.44 and 21,114.03

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Solution

The fourth proportional to 46,420.44, 69,622.44 and 21,114.03 is: 31,667.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,420.44 : 69,622.44 = 21,114.03 : x
  2. Step 2: Convert to fraction form
    46,420.44/69,622.44 = 21,114.03/x
  3. Step 3: Cross multiply
    46,420.44x = 69,622.44 × 21,114.03
  4. Step 4: Simplify right side
    46,420.44x = 1,470,010,286.83
  5. Step 5: Solve for x
    x = 1,470,010,286.83/46,420.44
  6. Step 6: Final answer
    x = 31,667.31

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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.