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Finding the Fourth Proportional to 10,880.44, 15,015.02 and 6,165.04

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Solution

The fourth proportional to 10,880.44, 15,015.02 and 6,165.04 is: 8,507.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,880.44 : 15,015.02 = 6,165.04 : x
  2. Step 2: Convert to fraction form
    10,880.44/15,015.02 = 6,165.04/x
  3. Step 3: Cross multiply
    10,880.44x = 15,015.02 × 6,165.04
  4. Step 4: Simplify right side
    10,880.44x = 92,568,176.78
  5. Step 5: Solve for x
    x = 92,568,176.78/10,880.44
  6. Step 6: Final answer
    x = 8,507.76

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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.