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Finding the Fourth Proportional to 62,907.21, 94,419.14 and 31,764.33

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Solution

The fourth proportional to 62,907.21, 94,419.14 and 31,764.33 is: 47,675.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,907.21 : 94,419.14 = 31,764.33 : x
  2. Step 2: Convert to fraction form
    62,907.21/94,419.14 = 31,764.33/x
  3. Step 3: Cross multiply
    62,907.21x = 94,419.14 × 31,764.33
  4. Step 4: Simplify right side
    62,907.21x = 2,999,160,562.45
  5. Step 5: Solve for x
    x = 2,999,160,562.45/62,907.21
  6. Step 6: Final answer
    x = 47,675.94

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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.