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Finding the Fourth Proportional to 5,887.96, 8,832.90 and 1,783

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Solution

The fourth proportional to 5,887.96, 8,832.90 and 1,783 is: 2,674.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,887.96 : 8,832.90 = 1,783 : x
  2. Step 2: Convert to fraction form
    5,887.96/8,832.90 = 1,783/x
  3. Step 3: Cross multiply
    5,887.96x = 8,832.90 × 1,783
  4. Step 4: Simplify right side
    5,887.96x = 15,749,060.70
  5. Step 5: Solve for x
    x = 15,749,060.70/5,887.96
  6. Step 6: Final answer
    x = 2,674.79

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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.