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Finding the Fourth Proportional to 1,299.48, 1,794.03 and 882.06

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Solution

The fourth proportional to 1,299.48, 1,794.03 and 882.06 is: 1,217.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299.48 : 1,794.03 = 882.06 : x
  2. Step 2: Convert to fraction form
    1,299.48/1,794.03 = 882.06/x
  3. Step 3: Cross multiply
    1,299.48x = 1,794.03 × 882.06
  4. Step 4: Simplify right side
    1,299.48x = 1,582,442.10
  5. Step 5: Solve for x
    x = 1,582,442.10/1,299.48
  6. Step 6: Final answer
    x = 1,217.75

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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.