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Finding the Fourth Proportional to 32,435.20, 48,652.80 and 18,389.80

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Solution

The fourth proportional to 32,435.20, 48,652.80 and 18,389.80 is: 27,584.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,435.20 : 48,652.80 = 18,389.80 : x
  2. Step 2: Convert to fraction form
    32,435.20/48,652.80 = 18,389.80/x
  3. Step 3: Cross multiply
    32,435.20x = 48,652.80 × 18,389.80
  4. Step 4: Simplify right side
    32,435.20x = 894,715,261.44
  5. Step 5: Solve for x
    x = 894,715,261.44/32,435.20
  6. Step 6: Final answer
    x = 27,584.70

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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.