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Finding the Fourth Proportional to 1,129.96, 1,696.01 and 582.52

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Solution

The fourth proportional to 1,129.96, 1,696.01 and 582.52 is: 874.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129.96 : 1,696.01 = 582.52 : x
  2. Step 2: Convert to fraction form
    1,129.96/1,696.01 = 582.52/x
  3. Step 3: Cross multiply
    1,129.96x = 1,696.01 × 582.52
  4. Step 4: Simplify right side
    1,129.96x = 987,959.75
  5. Step 5: Solve for x
    x = 987,959.75/1,129.96
  6. Step 6: Final answer
    x = 874.33

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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.