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Finding the Fourth Proportional to 1,132.07, 1,696.79 and 583.59

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Solution

The fourth proportional to 1,132.07, 1,696.79 and 583.59 is: 874.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132.07 : 1,696.79 = 583.59 : x
  2. Step 2: Convert to fraction form
    1,132.07/1,696.79 = 583.59/x
  3. Step 3: Cross multiply
    1,132.07x = 1,696.79 × 583.59
  4. Step 4: Simplify right side
    1,132.07x = 990,231.14
  5. Step 5: Solve for x
    x = 990,231.14/1,132.07
  6. Step 6: Final answer
    x = 874.71

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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.