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Finding the Fourth Proportional to 10,435.50, 14,400.99 and 5,719.82

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Solution

The fourth proportional to 10,435.50, 14,400.99 and 5,719.82 is: 7,893.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,435.50 : 14,400.99 = 5,719.82 : x
  2. Step 2: Convert to fraction form
    10,435.50/14,400.99 = 5,719.82/x
  3. Step 3: Cross multiply
    10,435.50x = 14,400.99 × 5,719.82
  4. Step 4: Simplify right side
    10,435.50x = 82,370,998.62
  5. Step 5: Solve for x
    x = 82,370,998.62/10,435.50
  6. Step 6: Final answer
    x = 7,893.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.