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Finding the Fourth Proportional to 10,687.96, 16,035.19 and 7,573.99

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Solution

The fourth proportional to 10,687.96, 16,035.19 and 7,573.99 is: 11,363.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,687.96 : 16,035.19 = 7,573.99 : x
  2. Step 2: Convert to fraction form
    10,687.96/16,035.19 = 7,573.99/x
  3. Step 3: Cross multiply
    10,687.96x = 16,035.19 × 7,573.99
  4. Step 4: Simplify right side
    10,687.96x = 121,450,368.71
  5. Step 5: Solve for x
    x = 121,450,368.71/10,687.96
  6. Step 6: Final answer
    x = 11,363.29

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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.