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Finding the Fourth Proportional to 7,674.45, 11,510.01 and 2,744.43

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Solution

The fourth proportional to 7,674.45, 11,510.01 and 2,744.43 is: 4,116.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,674.45 : 11,510.01 = 2,744.43 : x
  2. Step 2: Convert to fraction form
    7,674.45/11,510.01 = 2,744.43/x
  3. Step 3: Cross multiply
    7,674.45x = 11,510.01 × 2,744.43
  4. Step 4: Simplify right side
    7,674.45x = 31,588,416.74
  5. Step 5: Solve for x
    x = 31,588,416.74/7,674.45
  6. Step 6: Final answer
    x = 4,116.05

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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.