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Finding the Fourth Proportional to 61,262.99, 91,907.24 and 19,141.37

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Solution

The fourth proportional to 61,262.99, 91,907.24 and 19,141.37 is: 28,716.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,262.99 : 91,907.24 = 19,141.37 : x
  2. Step 2: Convert to fraction form
    61,262.99/91,907.24 = 19,141.37/x
  3. Step 3: Cross multiply
    61,262.99x = 91,907.24 × 19,141.37
  4. Step 4: Simplify right side
    61,262.99x = 1,759,230,486.52
  5. Step 5: Solve for x
    x = 1,759,230,486.52/61,262.99
  6. Step 6: Final answer
    x = 28,716.04

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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.