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Finding the Fourth Proportional to 35,759.25, 49,347.90 and 19,845.99

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Solution

The fourth proportional to 35,759.25, 49,347.90 and 19,845.99 is: 27,387.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,759.25 : 49,347.90 = 19,845.99 : x
  2. Step 2: Convert to fraction form
    35,759.25/49,347.90 = 19,845.99/x
  3. Step 3: Cross multiply
    35,759.25x = 49,347.90 × 19,845.99
  4. Step 4: Simplify right side
    35,759.25x = 979,357,929.92
  5. Step 5: Solve for x
    x = 979,357,929.92/35,759.25
  6. Step 6: Final answer
    x = 27,387.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.