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Finding the Fourth Proportional to 10,672.14, 16,008.21 and 4,828.62

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Solution

The fourth proportional to 10,672.14, 16,008.21 and 4,828.62 is: 7,242.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,672.14 : 16,008.21 = 4,828.62 : x
  2. Step 2: Convert to fraction form
    10,672.14/16,008.21 = 4,828.62/x
  3. Step 3: Cross multiply
    10,672.14x = 16,008.21 × 4,828.62
  4. Step 4: Simplify right side
    10,672.14x = 77,297,562.97
  5. Step 5: Solve for x
    x = 77,297,562.97/10,672.14
  6. Step 6: Final answer
    x = 7,242.93

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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.