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Finding the Fourth Proportional to 32,787.21, 49,230.02 and 18,763.07

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Solution

The fourth proportional to 32,787.21, 49,230.02 and 18,763.07 is: 28,172.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,787.21 : 49,230.02 = 18,763.07 : x
  2. Step 2: Convert to fraction form
    32,787.21/49,230.02 = 18,763.07/x
  3. Step 3: Cross multiply
    32,787.21x = 49,230.02 × 18,763.07
  4. Step 4: Simplify right side
    32,787.21x = 923,706,311.36
  5. Step 5: Solve for x
    x = 923,706,311.36/32,787.21
  6. Step 6: Final answer
    x = 28,172.76

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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.