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Finding the Fourth Proportional to 41,201.09, 61,801.65 and 11,615.09

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Solution

The fourth proportional to 41,201.09, 61,801.65 and 11,615.09 is: 17,422.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,201.09 : 61,801.65 = 11,615.09 : x
  2. Step 2: Convert to fraction form
    41,201.09/61,801.65 = 11,615.09/x
  3. Step 3: Cross multiply
    41,201.09x = 61,801.65 × 11,615.09
  4. Step 4: Simplify right side
    41,201.09x = 717,831,417.89
  5. Step 5: Solve for x
    x = 717,831,417.89/41,201.09
  6. Step 6: Final answer
    x = 17,422.63

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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.