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Finding the Fourth Proportional to 3,364.05, 4,642.50 and 1,851.67

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Solution

The fourth proportional to 3,364.05, 4,642.50 and 1,851.67 is: 2,555.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,364.05 : 4,642.50 = 1,851.67 : x
  2. Step 2: Convert to fraction form
    3,364.05/4,642.50 = 1,851.67/x
  3. Step 3: Cross multiply
    3,364.05x = 4,642.50 × 1,851.67
  4. Step 4: Simplify right side
    3,364.05x = 8,596,377.98
  5. Step 5: Solve for x
    x = 8,596,377.98/3,364.05
  6. Step 6: Final answer
    x = 2,555.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.