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Finding the Fourth Proportional to 18,836, 28,254 and 6,524

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Solution

The fourth proportional to 18,836, 28,254 and 6,524 is: 9,786

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,836 : 28,254 = 6,524 : x
  2. Step 2: Convert to fraction form
    18,836/28,254 = 6,524/x
  3. Step 3: Cross multiply
    18,836x = 28,254 × 6,524
  4. Step 4: Simplify right side
    18,836x = 184,329,096
  5. Step 5: Solve for x
    x = 184,329,096/18,836
  6. Step 6: Final answer
    x = 9,786

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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.