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Finding the Fourth Proportional to 9,453.78, 14,188.68 and 6,534

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Solution

The fourth proportional to 9,453.78, 14,188.68 and 6,534 is: 9,806.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,453.78 : 14,188.68 = 6,534 : x
  2. Step 2: Convert to fraction form
    9,453.78/14,188.68 = 6,534/x
  3. Step 3: Cross multiply
    9,453.78x = 14,188.68 × 6,534
  4. Step 4: Simplify right side
    9,453.78x = 92,708,835.12
  5. Step 5: Solve for x
    x = 92,708,835.12/9,453.78
  6. Step 6: Final answer
    x = 9,806.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.