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Finding the Fourth Proportional to 32,155.88, 44,380.46 and 18,734.99

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Solution

The fourth proportional to 32,155.88, 44,380.46 and 18,734.99 is: 25,857.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,155.88 : 44,380.46 = 18,734.99 : x
  2. Step 2: Convert to fraction form
    32,155.88/44,380.46 = 18,734.99/x
  3. Step 3: Cross multiply
    32,155.88x = 44,380.46 × 18,734.99
  4. Step 4: Simplify right side
    32,155.88x = 831,467,158.72
  5. Step 5: Solve for x
    x = 831,467,158.72/32,155.88
  6. Step 6: Final answer
    x = 25,857.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.