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Finding the Fourth Proportional to 29,741.01, 41,047.13 and 18,412.41

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Solution

The fourth proportional to 29,741.01, 41,047.13 and 18,412.41 is: 25,411.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,741.01 : 41,047.13 = 18,412.41 : x
  2. Step 2: Convert to fraction form
    29,741.01/41,047.13 = 18,412.41/x
  3. Step 3: Cross multiply
    29,741.01x = 41,047.13 × 18,412.41
  4. Step 4: Simplify right side
    29,741.01x = 755,776,494.82
  5. Step 5: Solve for x
    x = 755,776,494.82/29,741.01
  6. Step 6: Final answer
    x = 25,411.93

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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.