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Finding the Fourth Proportional to 4,999.37, 7,492.98 and 3,762.80

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Solution

The fourth proportional to 4,999.37, 7,492.98 and 3,762.80 is: 5,639.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,999.37 : 7,492.98 = 3,762.80 : x
  2. Step 2: Convert to fraction form
    4,999.37/7,492.98 = 3,762.80/x
  3. Step 3: Cross multiply
    4,999.37x = 7,492.98 × 3,762.80
  4. Step 4: Simplify right side
    4,999.37x = 28,194,585.06
  5. Step 5: Solve for x
    x = 28,194,585.06/4,999.37
  6. Step 6: Final answer
    x = 5,639.63

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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.