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Finding the Fourth Proportional to 41,240.88, 61,866.18 and 30,918.24

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Solution

The fourth proportional to 41,240.88, 61,866.18 and 30,918.24 is: 46,381.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,240.88 : 61,866.18 = 30,918.24 : x
  2. Step 2: Convert to fraction form
    41,240.88/61,866.18 = 30,918.24/x
  3. Step 3: Cross multiply
    41,240.88x = 61,866.18 × 30,918.24
  4. Step 4: Simplify right side
    41,240.88x = 1,912,793,401.12
  5. Step 5: Solve for x
    x = 1,912,793,401.12/41,240.88
  6. Step 6: Final answer
    x = 46,381.00

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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.