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Finding the Fourth Proportional to 41,292, 61,940.34 and 11,707.50

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Solution

The fourth proportional to 41,292, 61,940.34 and 11,707.50 is: 17,561.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,292 : 61,940.34 = 11,707.50 : x
  2. Step 2: Convert to fraction form
    41,292/61,940.34 = 11,707.50/x
  3. Step 3: Cross multiply
    41,292x = 61,940.34 × 11,707.50
  4. Step 4: Simplify right side
    41,292x = 725,166,530.55
  5. Step 5: Solve for x
    x = 725,166,530.55/41,292
  6. Step 6: Final answer
    x = 17,561.91

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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.