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Finding the Fourth Proportional to 50,683.50, 76,025.52 and 13,747.50

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Solution

The fourth proportional to 50,683.50, 76,025.52 and 13,747.50 is: 20,621.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,683.50 : 76,025.52 = 13,747.50 : x
  2. Step 2: Convert to fraction form
    50,683.50/76,025.52 = 13,747.50/x
  3. Step 3: Cross multiply
    50,683.50x = 76,025.52 × 13,747.50
  4. Step 4: Simplify right side
    50,683.50x = 1,045,160,836.20
  5. Step 5: Solve for x
    x = 1,045,160,836.20/50,683.50
  6. Step 6: Final answer
    x = 20,621.32

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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.