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Finding the Fourth Proportional to 1,158.37, 1,733.91 and 793.87

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Solution

The fourth proportional to 1,158.37, 1,733.91 and 793.87 is: 1,188.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158.37 : 1,733.91 = 793.87 : x
  2. Step 2: Convert to fraction form
    1,158.37/1,733.91 = 793.87/x
  3. Step 3: Cross multiply
    1,158.37x = 1,733.91 × 793.87
  4. Step 4: Simplify right side
    1,158.37x = 1,376,499.13
  5. Step 5: Solve for x
    x = 1,376,499.13/1,158.37
  6. Step 6: Final answer
    x = 1,188.31

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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.