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Finding the Fourth Proportional to 18,483.39, 27,729.45 and 6,003.45

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Solution

The fourth proportional to 18,483.39, 27,729.45 and 6,003.45 is: 9,006.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,483.39 : 27,729.45 = 6,003.45 : x
  2. Step 2: Convert to fraction form
    18,483.39/27,729.45 = 6,003.45/x
  3. Step 3: Cross multiply
    18,483.39x = 27,729.45 × 6,003.45
  4. Step 4: Simplify right side
    18,483.39x = 166,472,366.60
  5. Step 5: Solve for x
    x = 166,472,366.60/18,483.39
  6. Step 6: Final answer
    x = 9,006.59

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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.