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Finding the Fourth Proportional to 18,845, 28,267.56 and 6,533

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Solution

The fourth proportional to 18,845, 28,267.56 and 6,533 is: 9,799.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,845 : 28,267.56 = 6,533 : x
  2. Step 2: Convert to fraction form
    18,845/28,267.56 = 6,533/x
  3. Step 3: Cross multiply
    18,845x = 28,267.56 × 6,533
  4. Step 4: Simplify right side
    18,845x = 184,671,969.48
  5. Step 5: Solve for x
    x = 184,671,969.48/18,845
  6. Step 6: Final answer
    x = 9,799.52

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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.