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Finding the Fourth Proportional to 1,137.21, 1,705.24 and 589.24

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Solution

The fourth proportional to 1,137.21, 1,705.24 and 589.24 is: 883.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137.21 : 1,705.24 = 589.24 : x
  2. Step 2: Convert to fraction form
    1,137.21/1,705.24 = 589.24/x
  3. Step 3: Cross multiply
    1,137.21x = 1,705.24 × 589.24
  4. Step 4: Simplify right side
    1,137.21x = 1,004,795.62
  5. Step 5: Solve for x
    x = 1,004,795.62/1,137.21
  6. Step 6: Final answer
    x = 883.56

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.