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Finding the Fourth Proportional to 18,147.66, 27,222.03 and 5,001

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Solution

The fourth proportional to 18,147.66, 27,222.03 and 5,001 is: 7,501.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,147.66 : 27,222.03 = 5,001 : x
  2. Step 2: Convert to fraction form
    18,147.66/27,222.03 = 5,001/x
  3. Step 3: Cross multiply
    18,147.66x = 27,222.03 × 5,001
  4. Step 4: Simplify right side
    18,147.66x = 136,137,372.03
  5. Step 5: Solve for x
    x = 136,137,372.03/18,147.66
  6. Step 6: Final answer
    x = 7,501.65

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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.