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Finding the Fourth Proportional to 61,361.26, 91,966.56 and 31,762.24

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Solution

The fourth proportional to 61,361.26, 91,966.56 and 31,762.24 is: 47,604.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,361.26 : 91,966.56 = 31,762.24 : x
  2. Step 2: Convert to fraction form
    61,361.26/91,966.56 = 31,762.24/x
  3. Step 3: Cross multiply
    61,361.26x = 91,966.56 × 31,762.24
  4. Step 4: Simplify right side
    61,361.26x = 2,921,063,950.69
  5. Step 5: Solve for x
    x = 2,921,063,950.69/61,361.26
  6. Step 6: Final answer
    x = 47,604.37

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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.