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Finding the Fourth Proportional to 32,618.94, 48,918.15 and 20,120.24

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Solution

The fourth proportional to 32,618.94, 48,918.15 and 20,120.24 is: 30,174.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,618.94 : 48,918.15 = 20,120.24 : x
  2. Step 2: Convert to fraction form
    32,618.94/48,918.15 = 20,120.24/x
  3. Step 3: Cross multiply
    32,618.94x = 48,918.15 × 20,120.24
  4. Step 4: Simplify right side
    32,618.94x = 984,244,673.77
  5. Step 5: Solve for x
    x = 984,244,673.77/32,618.94
  6. Step 6: Final answer
    x = 30,174.02

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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.