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Finding the Fourth Proportional to 43,312.23, 64,964.16 and 29,361.96

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Solution

The fourth proportional to 43,312.23, 64,964.16 and 29,361.96 is: 44,040.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,312.23 : 64,964.16 = 29,361.96 : x
  2. Step 2: Convert to fraction form
    43,312.23/64,964.16 = 29,361.96/x
  3. Step 3: Cross multiply
    43,312.23x = 64,964.16 × 29,361.96
  4. Step 4: Simplify right side
    43,312.23x = 1,907,475,067.35
  5. Step 5: Solve for x
    x = 1,907,475,067.35/43,312.23
  6. Step 6: Final answer
    x = 44,040.10

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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.