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Finding the Fourth Proportional to 2,663.54, 3,676.29 and 1,730.42

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Solution

The fourth proportional to 2,663.54, 3,676.29 and 1,730.42 is: 2,388.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,663.54 : 3,676.29 = 1,730.42 : x
  2. Step 2: Convert to fraction form
    2,663.54/3,676.29 = 1,730.42/x
  3. Step 3: Cross multiply
    2,663.54x = 3,676.29 × 1,730.42
  4. Step 4: Simplify right side
    2,663.54x = 6,361,525.74
  5. Step 5: Solve for x
    x = 6,361,525.74/2,663.54
  6. Step 6: Final answer
    x = 2,388.37

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1.5x scale

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.