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Finding the Fourth Proportional to 7,737.66, 11,606.49 and 1,894.19

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Solution

The fourth proportional to 7,737.66, 11,606.49 and 1,894.19 is: 2,841.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,737.66 : 11,606.49 = 1,894.19 : x
  2. Step 2: Convert to fraction form
    7,737.66/11,606.49 = 1,894.19/x
  3. Step 3: Cross multiply
    7,737.66x = 11,606.49 × 1,894.19
  4. Step 4: Simplify right side
    7,737.66x = 21,984,839.26
  5. Step 5: Solve for x
    x = 21,984,839.26/7,737.66
  6. Step 6: Final answer
    x = 2,841.28

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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.