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Finding the Fourth Proportional to 8,008.62, 11,051.82 and 4,472.43

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Solution

The fourth proportional to 8,008.62, 11,051.82 and 4,472.43 is: 6,171.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,008.62 : 11,051.82 = 4,472.43 : x
  2. Step 2: Convert to fraction form
    8,008.62/11,051.82 = 4,472.43/x
  3. Step 3: Cross multiply
    8,008.62x = 11,051.82 × 4,472.43
  4. Step 4: Simplify right side
    8,008.62x = 49,428,491.32
  5. Step 5: Solve for x
    x = 49,428,491.32/8,008.62
  6. Step 6: Final answer
    x = 6,171.91

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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.