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Finding the Fourth Proportional to 10,362.12, 14,299.83 and 5,646.48

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Solution

The fourth proportional to 10,362.12, 14,299.83 and 5,646.48 is: 7,792.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,362.12 : 14,299.83 = 5,646.48 : x
  2. Step 2: Convert to fraction form
    10,362.12/14,299.83 = 5,646.48/x
  3. Step 3: Cross multiply
    10,362.12x = 14,299.83 × 5,646.48
  4. Step 4: Simplify right side
    10,362.12x = 80,743,704.10
  5. Step 5: Solve for x
    x = 80,743,704.10/10,362.12
  6. Step 6: Final answer
    x = 7,792.20

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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.