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Finding the Fourth Proportional to 7,651.19, 11,477.18 and 2,104.43

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Solution

The fourth proportional to 7,651.19, 11,477.18 and 2,104.43 is: 3,156.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,651.19 : 11,477.18 = 2,104.43 : x
  2. Step 2: Convert to fraction form
    7,651.19/11,477.18 = 2,104.43/x
  3. Step 3: Cross multiply
    7,651.19x = 11,477.18 × 2,104.43
  4. Step 4: Simplify right side
    7,651.19x = 24,152,869.78
  5. Step 5: Solve for x
    x = 24,152,869.78/7,651.19
  6. Step 6: Final answer
    x = 3,156.75

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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.