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Finding the Fourth Proportional to 11,155.56, 16,711.02 and 6,710.77

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Solution

The fourth proportional to 11,155.56, 16,711.02 and 6,710.77 is: 10,052.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,155.56 : 16,711.02 = 6,710.77 : x
  2. Step 2: Convert to fraction form
    11,155.56/16,711.02 = 6,710.77/x
  3. Step 3: Cross multiply
    11,155.56x = 16,711.02 × 6,710.77
  4. Step 4: Simplify right side
    11,155.56x = 112,143,811.69
  5. Step 5: Solve for x
    x = 112,143,811.69/11,155.56
  6. Step 6: Final answer
    x = 10,052.73

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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.