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Finding the Fourth Proportional to 41,076.84, 61,615.27 and 9,912.09

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Solution

The fourth proportional to 41,076.84, 61,615.27 and 9,912.09 is: 14,868.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,076.84 : 61,615.27 = 9,912.09 : x
  2. Step 2: Convert to fraction form
    41,076.84/61,615.27 = 9,912.09/x
  3. Step 3: Cross multiply
    41,076.84x = 61,615.27 × 9,912.09
  4. Step 4: Simplify right side
    41,076.84x = 610,736,345.06
  5. Step 5: Solve for x
    x = 610,736,345.06/41,076.84
  6. Step 6: Final answer
    x = 14,868.14

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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.