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Finding the Fourth Proportional to 9,609.76, 13,253.79 and 6,624.91

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Solution

The fourth proportional to 9,609.76, 13,253.79 and 6,624.91 is: 9,137.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,609.76 : 13,253.79 = 6,624.91 : x
  2. Step 2: Convert to fraction form
    9,609.76/13,253.79 = 6,624.91/x
  3. Step 3: Cross multiply
    9,609.76x = 13,253.79 × 6,624.91
  4. Step 4: Simplify right side
    9,609.76x = 87,805,165.91
  5. Step 5: Solve for x
    x = 87,805,165.91/9,609.76
  6. Step 6: Final answer
    x = 9,137.08

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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.