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Finding the Fourth Proportional to 61,135.65, 91,716.69 and 19,014.94

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Solution

The fourth proportional to 61,135.65, 91,716.69 and 19,014.94 is: 28,526.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,135.65 : 91,716.69 = 19,014.94 : x
  2. Step 2: Convert to fraction form
    61,135.65/91,716.69 = 19,014.94/x
  3. Step 3: Cross multiply
    61,135.65x = 91,716.69 × 19,014.94
  4. Step 4: Simplify right side
    61,135.65x = 1,743,987,357.35
  5. Step 5: Solve for x
    x = 1,743,987,357.35/61,135.65
  6. Step 6: Final answer
    x = 28,526.52

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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.