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Finding the Fourth Proportional to 10,701.72, 14,768.70 and 5,986.20

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Solution

The fourth proportional to 10,701.72, 14,768.70 and 5,986.20 is: 8,261.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,701.72 : 14,768.70 = 5,986.20 : x
  2. Step 2: Convert to fraction form
    10,701.72/14,768.70 = 5,986.20/x
  3. Step 3: Cross multiply
    10,701.72x = 14,768.70 × 5,986.20
  4. Step 4: Simplify right side
    10,701.72x = 88,408,391.94
  5. Step 5: Solve for x
    x = 88,408,391.94/10,701.72
  6. Step 6: Final answer
    x = 8,261.14

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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.