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Finding the Fourth Proportional to 2,433.08, 3,647.40 and 893

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Solution

The fourth proportional to 2,433.08, 3,647.40 and 893 is: 1,338.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,433.08 : 3,647.40 = 893 : x
  2. Step 2: Convert to fraction form
    2,433.08/3,647.40 = 893/x
  3. Step 3: Cross multiply
    2,433.08x = 3,647.40 × 893
  4. Step 4: Simplify right side
    2,433.08x = 3,257,128.20
  5. Step 5: Solve for x
    x = 3,257,128.20/2,433.08
  6. Step 6: Final answer
    x = 1,338.69

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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.