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Finding the Fourth Proportional to 18,203.62, 27,316.04 and 7,673.00

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Solution

The fourth proportional to 18,203.62, 27,316.04 and 7,673.00 is: 11,513.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,203.62 : 27,316.04 = 7,673.00 : x
  2. Step 2: Convert to fraction form
    18,203.62/27,316.04 = 7,673.00/x
  3. Step 3: Cross multiply
    18,203.62x = 27,316.04 × 7,673.00
  4. Step 4: Simplify right side
    18,203.62x = 209,595,857.52
  5. Step 5: Solve for x
    x = 209,595,857.52/18,203.62
  6. Step 6: Final answer
    x = 11,513.97

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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.