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Finding the Fourth Proportional to 10,311.50, 14,229.93 and 5,595.81

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Solution

The fourth proportional to 10,311.50, 14,229.93 and 5,595.81 is: 7,722.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,311.50 : 14,229.93 = 5,595.81 : x
  2. Step 2: Convert to fraction form
    10,311.50/14,229.93 = 5,595.81/x
  3. Step 3: Cross multiply
    10,311.50x = 14,229.93 × 5,595.81
  4. Step 4: Simplify right side
    10,311.50x = 79,627,984.59
  5. Step 5: Solve for x
    x = 79,627,984.59/10,311.50
  6. Step 6: Final answer
    x = 7,722.25

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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.