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Finding the Fourth Proportional to 9,862.21, 13,609.83 and 5,888.67

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Solution

The fourth proportional to 9,862.21, 13,609.83 and 5,888.67 is: 8,126.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,862.21 : 13,609.83 = 5,888.67 : x
  2. Step 2: Convert to fraction form
    9,862.21/13,609.83 = 5,888.67/x
  3. Step 3: Cross multiply
    9,862.21x = 13,609.83 × 5,888.67
  4. Step 4: Simplify right side
    9,862.21x = 80,143,797.63
  5. Step 5: Solve for x
    x = 80,143,797.63/9,862.21
  6. Step 6: Final answer
    x = 8,126.35

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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.