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Finding the Fourth Proportional to 10,142.69, 13,995.88 and 5,835.67

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Solution

The fourth proportional to 10,142.69, 13,995.88 and 5,835.67 is: 8,052.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,142.69 : 13,995.88 = 5,835.67 : x
  2. Step 2: Convert to fraction form
    10,142.69/13,995.88 = 5,835.67/x
  3. Step 3: Cross multiply
    10,142.69x = 13,995.88 × 5,835.67
  4. Step 4: Simplify right side
    10,142.69x = 81,675,287.46
  5. Step 5: Solve for x
    x = 81,675,287.46/10,142.69
  6. Step 6: Final answer
    x = 8,052.63

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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.