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Finding the Fourth Proportional to 3,683.92, 5,525.80 and 1,492.60

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Solution

The fourth proportional to 3,683.92, 5,525.80 and 1,492.60 is: 2,238.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,683.92 : 5,525.80 = 1,492.60 : x
  2. Step 2: Convert to fraction form
    3,683.92/5,525.80 = 1,492.60/x
  3. Step 3: Cross multiply
    3,683.92x = 5,525.80 × 1,492.60
  4. Step 4: Simplify right side
    3,683.92x = 8,247,809.08
  5. Step 5: Solve for x
    x = 8,247,809.08/3,683.92
  6. Step 6: Final answer
    x = 2,238.87

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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.