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Finding the Fourth Proportional to 8,017.80, 11,065.32 and 4,660.38

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Solution

The fourth proportional to 8,017.80, 11,065.32 and 4,660.38 is: 6,431.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,017.80 : 11,065.32 = 4,660.38 : x
  2. Step 2: Convert to fraction form
    8,017.80/11,065.32 = 4,660.38/x
  3. Step 3: Cross multiply
    8,017.80x = 11,065.32 × 4,660.38
  4. Step 4: Simplify right side
    8,017.80x = 51,568,596.02
  5. Step 5: Solve for x
    x = 51,568,596.02/8,017.80
  6. Step 6: Final answer
    x = 6,431.76

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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.