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Finding the Fourth Proportional to 12,321.80, 18,483.30 and 6,002.48

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Solution

The fourth proportional to 12,321.80, 18,483.30 and 6,002.48 is: 9,004.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,321.80 : 18,483.30 = 6,002.48 : x
  2. Step 2: Convert to fraction form
    12,321.80/18,483.30 = 6,002.48/x
  3. Step 3: Cross multiply
    12,321.80x = 18,483.30 × 6,002.48
  4. Step 4: Simplify right side
    12,321.80x = 110,945,546.17
  5. Step 5: Solve for x
    x = 110,945,546.17/12,321.80
  6. Step 6: Final answer
    x = 9,004.01

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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.