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Finding the Fourth Proportional to 40,943.03, 61,418.93 and 11,360.97

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Solution

The fourth proportional to 40,943.03, 61,418.93 and 11,360.97 is: 17,042.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,943.03 : 61,418.93 = 11,360.97 : x
  2. Step 2: Convert to fraction form
    40,943.03/61,418.93 = 11,360.97/x
  3. Step 3: Cross multiply
    40,943.03x = 61,418.93 × 11,360.97
  4. Step 4: Simplify right side
    40,943.03x = 697,778,564.36
  5. Step 5: Solve for x
    x = 697,778,564.36/40,943.03
  6. Step 6: Final answer
    x = 17,042.67

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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.