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Finding the Fourth Proportional to 8,733.11, 12,057.72 and 8,175.42

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Solution

The fourth proportional to 8,733.11, 12,057.72 and 8,175.42 is: 11,287.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,733.11 : 12,057.72 = 8,175.42 : x
  2. Step 2: Convert to fraction form
    8,733.11/12,057.72 = 8,175.42/x
  3. Step 3: Cross multiply
    8,733.11x = 12,057.72 × 8,175.42
  4. Step 4: Simplify right side
    8,733.11x = 98,576,925.24
  5. Step 5: Solve for x
    x = 98,576,925.24/8,733.11
  6. Step 6: Final answer
    x = 11,287.73

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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.