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Finding the Fourth Proportional to 61,093.14, 91,636.29 and 16,716.63

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Solution

The fourth proportional to 61,093.14, 91,636.29 and 16,716.63 is: 25,074.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,093.14 : 91,636.29 = 16,716.63 : x
  2. Step 2: Convert to fraction form
    61,093.14/91,636.29 = 16,716.63/x
  3. Step 3: Cross multiply
    61,093.14x = 91,636.29 × 16,716.63
  4. Step 4: Simplify right side
    61,093.14x = 1,531,849,954.50
  5. Step 5: Solve for x
    x = 1,531,849,954.50/61,093.14
  6. Step 6: Final answer
    x = 25,074.01

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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.