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Finding the Fourth Proportional to 15,069.03, 20,795.09 and 8,354.94

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Solution

The fourth proportional to 15,069.03, 20,795.09 and 8,354.94 is: 11,529.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,069.03 : 20,795.09 = 8,354.94 : x
  2. Step 2: Convert to fraction form
    15,069.03/20,795.09 = 8,354.94/x
  3. Step 3: Cross multiply
    15,069.03x = 20,795.09 × 8,354.94
  4. Step 4: Simplify right side
    15,069.03x = 173,741,729.24
  5. Step 5: Solve for x
    x = 173,741,729.24/15,069.03
  6. Step 6: Final answer
    x = 11,529.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.