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Finding the Fourth Proportional to 1,167.36, 1,611 and 795.08

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Solution

The fourth proportional to 1,167.36, 1,611 and 795.08 is: 1,097.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167.36 : 1,611 = 795.08 : x
  2. Step 2: Convert to fraction form
    1,167.36/1,611 = 795.08/x
  3. Step 3: Cross multiply
    1,167.36x = 1,611 × 795.08
  4. Step 4: Simplify right side
    1,167.36x = 1,280,865.83
  5. Step 5: Solve for x
    x = 1,280,865.83/1,167.36
  6. Step 6: Final answer
    x = 1,097.23

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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.