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Finding the Fourth Proportional to 18,012.76, 27,004.02 and 6,333.64

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Solution

The fourth proportional to 18,012.76, 27,004.02 and 6,333.64 is: 9,495.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,012.76 : 27,004.02 = 6,333.64 : x
  2. Step 2: Convert to fraction form
    18,012.76/27,004.02 = 6,333.64/x
  3. Step 3: Cross multiply
    18,012.76x = 27,004.02 × 6,333.64
  4. Step 4: Simplify right side
    18,012.76x = 171,033,741.23
  5. Step 5: Solve for x
    x = 171,033,741.23/18,012.76
  6. Step 6: Final answer
    x = 9,495.14

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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.