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Finding the Fourth Proportional to 17,998.50, 27,000.03 and 6,154.55

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Solution

The fourth proportional to 17,998.50, 27,000.03 and 6,154.55 is: 9,232.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,998.50 : 27,000.03 = 6,154.55 : x
  2. Step 2: Convert to fraction form
    17,998.50/27,000.03 = 6,154.55/x
  3. Step 3: Cross multiply
    17,998.50x = 27,000.03 × 6,154.55
  4. Step 4: Simplify right side
    17,998.50x = 166,172,899.64
  5. Step 5: Solve for x
    x = 166,172,899.64/17,998.50
  6. Step 6: Final answer
    x = 9,232.60

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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.