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Finding the Fourth Proportional to 48,452.06, 72,664.04 and 18,863.30

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Solution

The fourth proportional to 48,452.06, 72,664.04 and 18,863.30 is: 28,289.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,452.06 : 72,664.04 = 18,863.30 : x
  2. Step 2: Convert to fraction form
    48,452.06/72,664.04 = 18,863.30/x
  3. Step 3: Cross multiply
    48,452.06x = 72,664.04 × 18,863.30
  4. Step 4: Simplify right side
    48,452.06x = 1,370,683,585.73
  5. Step 5: Solve for x
    x = 1,370,683,585.73/48,452.06
  6. Step 6: Final answer
    x = 28,289.48

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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.