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Finding the Fourth Proportional to 13,696.52, 20,550.06 and 5,375.04

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Solution

The fourth proportional to 13,696.52, 20,550.06 and 5,375.04 is: 8,064.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,696.52 : 20,550.06 = 5,375.04 : x
  2. Step 2: Convert to fraction form
    13,696.52/20,550.06 = 5,375.04/x
  3. Step 3: Cross multiply
    13,696.52x = 20,550.06 × 5,375.04
  4. Step 4: Simplify right side
    13,696.52x = 110,457,394.50
  5. Step 5: Solve for x
    x = 110,457,394.50/13,696.52
  6. Step 6: Final answer
    x = 8,064.64

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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.