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Finding the Fourth Proportional to 45,376.68, 68,065.09 and 17,674.68

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Solution

The fourth proportional to 45,376.68, 68,065.09 and 17,674.68 is: 26,512.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,376.68 : 68,065.09 = 17,674.68 : x
  2. Step 2: Convert to fraction form
    45,376.68/68,065.09 = 17,674.68/x
  3. Step 3: Cross multiply
    45,376.68x = 68,065.09 × 17,674.68
  4. Step 4: Simplify right side
    45,376.68x = 1,203,028,596.55
  5. Step 5: Solve for x
    x = 1,203,028,596.55/45,376.68
  6. Step 6: Final answer
    x = 26,512.05

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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.