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Finding the Fourth Proportional to 1,169.15, 1,611.41 and 795.93

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Solution

The fourth proportional to 1,169.15, 1,611.41 and 795.93 is: 1,097.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169.15 : 1,611.41 = 795.93 : x
  2. Step 2: Convert to fraction form
    1,169.15/1,611.41 = 795.93/x
  3. Step 3: Cross multiply
    1,169.15x = 1,611.41 × 795.93
  4. Step 4: Simplify right side
    1,169.15x = 1,282,565.58
  5. Step 5: Solve for x
    x = 1,282,565.58/1,169.15
  6. Step 6: Final answer
    x = 1,097.01

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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.