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Finding the Fourth Proportional to 1,832.40, 2,749.04 and 1,052.76

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Solution

The fourth proportional to 1,832.40, 2,749.04 and 1,052.76 is: 1,579.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,832.40 : 2,749.04 = 1,052.76 : x
  2. Step 2: Convert to fraction form
    1,832.40/2,749.04 = 1,052.76/x
  3. Step 3: Cross multiply
    1,832.40x = 2,749.04 × 1,052.76
  4. Step 4: Simplify right side
    1,832.40x = 2,894,079.35
  5. Step 5: Solve for x
    x = 2,894,079.35/1,832.40
  6. Step 6: Final answer
    x = 1,579.39

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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.