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Finding the Fourth Proportional to 29,403.98, 40,556.04 and 18,652.13

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Solution

The fourth proportional to 29,403.98, 40,556.04 and 18,652.13 is: 25,726.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,403.98 : 40,556.04 = 18,652.13 : x
  2. Step 2: Convert to fraction form
    29,403.98/40,556.04 = 18,652.13/x
  3. Step 3: Cross multiply
    29,403.98x = 40,556.04 × 18,652.13
  4. Step 4: Simplify right side
    29,403.98x = 756,456,530.37
  5. Step 5: Solve for x
    x = 756,456,530.37/29,403.98
  6. Step 6: Final answer
    x = 25,726.33

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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.