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Finding the Fourth Proportional to 18,199.50, 27,300.04 and 6,354.46

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Solution

The fourth proportional to 18,199.50, 27,300.04 and 6,354.46 is: 9,531.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,199.50 : 27,300.04 = 6,354.46 : x
  2. Step 2: Convert to fraction form
    18,199.50/27,300.04 = 6,354.46/x
  3. Step 3: Cross multiply
    18,199.50x = 27,300.04 × 6,354.46
  4. Step 4: Simplify right side
    18,199.50x = 173,477,012.18
  5. Step 5: Solve for x
    x = 173,477,012.18/18,199.50
  6. Step 6: Final answer
    x = 9,531.97

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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.