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Finding the Fourth Proportional to 1,137.85, 1,705.59 and 582.93

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Solution

The fourth proportional to 1,137.85, 1,705.59 and 582.93 is: 873.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137.85 : 1,705.59 = 582.93 : x
  2. Step 2: Convert to fraction form
    1,137.85/1,705.59 = 582.93/x
  3. Step 3: Cross multiply
    1,137.85x = 1,705.59 × 582.93
  4. Step 4: Simplify right side
    1,137.85x = 994,239.58
  5. Step 5: Solve for x
    x = 994,239.58/1,137.85
  6. Step 6: Final answer
    x = 873.79

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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.