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Finding the Fourth Proportional to 11,091.64, 16,598.52 and 8,610.64

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Solution

The fourth proportional to 11,091.64, 16,598.52 and 8,610.64 is: 12,885.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,091.64 : 16,598.52 = 8,610.64 : x
  2. Step 2: Convert to fraction form
    11,091.64/16,598.52 = 8,610.64/x
  3. Step 3: Cross multiply
    11,091.64x = 16,598.52 × 8,610.64
  4. Step 4: Simplify right side
    11,091.64x = 142,923,880.25
  5. Step 5: Solve for x
    x = 142,923,880.25/11,091.64
  6. Step 6: Final answer
    x = 12,885.73

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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.