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Finding the Fourth Proportional to 1,837.52, 2,756.32 and 683.04

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Solution

The fourth proportional to 1,837.52, 2,756.32 and 683.04 is: 1,024.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,837.52 : 2,756.32 = 683.04 : x
  2. Step 2: Convert to fraction form
    1,837.52/2,756.32 = 683.04/x
  3. Step 3: Cross multiply
    1,837.52x = 2,756.32 × 683.04
  4. Step 4: Simplify right side
    1,837.52x = 1,882,676.81
  5. Step 5: Solve for x
    x = 1,882,676.81/1,837.52
  6. Step 6: Final answer
    x = 1,024.57

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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.