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Finding the Fourth Proportional to 8,808.94, 13,213.43 and 2,969.65

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Solution

The fourth proportional to 8,808.94, 13,213.43 and 2,969.65 is: 4,454.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,808.94 : 13,213.43 = 2,969.65 : x
  2. Step 2: Convert to fraction form
    8,808.94/13,213.43 = 2,969.65/x
  3. Step 3: Cross multiply
    8,808.94x = 13,213.43 × 2,969.65
  4. Step 4: Simplify right side
    8,808.94x = 39,239,262.40
  5. Step 5: Solve for x
    x = 39,239,262.40/8,808.94
  6. Step 6: Final answer
    x = 4,454.48

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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.