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Finding the Fourth Proportional to 41,762.40, 62,773.20 and 40,984.80

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Solution

The fourth proportional to 41,762.40, 62,773.20 and 40,984.80 is: 61,604.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,762.40 : 62,773.20 = 40,984.80 : x
  2. Step 2: Convert to fraction form
    41,762.40/62,773.20 = 40,984.80/x
  3. Step 3: Cross multiply
    41,762.40x = 62,773.20 × 40,984.80
  4. Step 4: Simplify right side
    41,762.40x = 2,572,747,047.36
  5. Step 5: Solve for x
    x = 2,572,747,047.36/41,762.40
  6. Step 6: Final answer
    x = 61,604.39

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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.