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Finding the Fourth Proportional to 45,694.63, 68,493.65 and 15,699.47

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Solution

The fourth proportional to 45,694.63, 68,493.65 and 15,699.47 is: 23,532.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,694.63 : 68,493.65 = 15,699.47 : x
  2. Step 2: Convert to fraction form
    45,694.63/68,493.65 = 15,699.47/x
  3. Step 3: Cross multiply
    45,694.63x = 68,493.65 × 15,699.47
  4. Step 4: Simplify right side
    45,694.63x = 1,075,314,055.99
  5. Step 5: Solve for x
    x = 1,075,314,055.99/45,694.63
  6. Step 6: Final answer
    x = 23,532.61

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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.