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Finding the Fourth Proportional to 1,832.23, 2,528.49 and 992.94

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Solution

The fourth proportional to 1,832.23, 2,528.49 and 992.94 is: 1,370.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,832.23 : 2,528.49 = 992.94 : x
  2. Step 2: Convert to fraction form
    1,832.23/2,528.49 = 992.94/x
  3. Step 3: Cross multiply
    1,832.23x = 2,528.49 × 992.94
  4. Step 4: Simplify right side
    1,832.23x = 2,510,638.86
  5. Step 5: Solve for x
    x = 2,510,638.86/1,832.23
  6. Step 6: Final answer
    x = 1,370.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.