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Finding the Fourth Proportional to 41,009.01, 61,516.05 and 12,930.03

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Solution

The fourth proportional to 41,009.01, 61,516.05 and 12,930.03 is: 19,395.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,009.01 : 61,516.05 = 12,930.03 : x
  2. Step 2: Convert to fraction form
    41,009.01/61,516.05 = 12,930.03/x
  3. Step 3: Cross multiply
    41,009.01x = 61,516.05 × 12,930.03
  4. Step 4: Simplify right side
    41,009.01x = 795,404,371.98
  5. Step 5: Solve for x
    x = 795,404,371.98/41,009.01
  6. Step 6: Final answer
    x = 19,395.84

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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.