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Finding the Fourth Proportional to 2,838.33, 4,245.17 and 1,665.54

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Solution

The fourth proportional to 2,838.33, 4,245.17 and 1,665.54 is: 2,491.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838.33 : 4,245.17 = 1,665.54 : x
  2. Step 2: Convert to fraction form
    2,838.33/4,245.17 = 1,665.54/x
  3. Step 3: Cross multiply
    2,838.33x = 4,245.17 × 1,665.54
  4. Step 4: Simplify right side
    2,838.33x = 7,070,492.11
  5. Step 5: Solve for x
    x = 7,070,492.11/2,838.33
  6. Step 6: Final answer
    x = 2,491.07

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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.