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Finding the Fourth Proportional to 49,601.20, 74,401.80 and 44,762.80

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Solution

The fourth proportional to 49,601.20, 74,401.80 and 44,762.80 is: 67,144.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,601.20 : 74,401.80 = 44,762.80 : x
  2. Step 2: Convert to fraction form
    49,601.20/74,401.80 = 44,762.80/x
  3. Step 3: Cross multiply
    49,601.20x = 74,401.80 × 44,762.80
  4. Step 4: Simplify right side
    49,601.20x = 3,330,432,893.04
  5. Step 5: Solve for x
    x = 3,330,432,893.04/49,601.20
  6. Step 6: Final answer
    x = 67,144.20

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1.5x scale

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.