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Finding the Fourth Proportional to 18,855.84, 28,225.44 and 16,056.48

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Solution

The fourth proportional to 18,855.84, 28,225.44 and 16,056.48 is: 24,035.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,855.84 : 28,225.44 = 16,056.48 : x
  2. Step 2: Convert to fraction form
    18,855.84/28,225.44 = 16,056.48/x
  3. Step 3: Cross multiply
    18,855.84x = 28,225.44 × 16,056.48
  4. Step 4: Simplify right side
    18,855.84x = 453,201,212.85
  5. Step 5: Solve for x
    x = 453,201,212.85/18,855.84
  6. Step 6: Final answer
    x = 24,035.06

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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.