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Finding the Fourth Proportional to 10,393.31, 15,590.10 and 3,467.81

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Solution

The fourth proportional to 10,393.31, 15,590.10 and 3,467.81 is: 5,201.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,393.31 : 15,590.10 = 3,467.81 : x
  2. Step 2: Convert to fraction form
    10,393.31/15,590.10 = 3,467.81/x
  3. Step 3: Cross multiply
    10,393.31x = 15,590.10 × 3,467.81
  4. Step 4: Simplify right side
    10,393.31x = 54,063,556.66
  5. Step 5: Solve for x
    x = 54,063,556.66/10,393.31
  6. Step 6: Final answer
    x = 5,201.76

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1.5x scale

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.