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Finding the Fourth Proportional to 41,381.40, 62,201.70 and 40,603.80

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Solution

The fourth proportional to 41,381.40, 62,201.70 and 40,603.80 is: 61,032.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,381.40 : 62,201.70 = 40,603.80 : x
  2. Step 2: Convert to fraction form
    41,381.40/62,201.70 = 40,603.80/x
  3. Step 3: Cross multiply
    41,381.40x = 62,201.70 × 40,603.80
  4. Step 4: Simplify right side
    41,381.40x = 2,525,625,386.46
  5. Step 5: Solve for x
    x = 2,525,625,386.46/41,381.40
  6. Step 6: Final answer
    x = 61,032.86

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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.