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Finding the Fourth Proportional to 9,672.80, 14,506.83 and 3,097.62

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Solution

The fourth proportional to 9,672.80, 14,506.83 and 3,097.62 is: 4,645.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,672.80 : 14,506.83 = 3,097.62 : x
  2. Step 2: Convert to fraction form
    9,672.80/14,506.83 = 3,097.62/x
  3. Step 3: Cross multiply
    9,672.80x = 14,506.83 × 3,097.62
  4. Step 4: Simplify right side
    9,672.80x = 44,936,646.74
  5. Step 5: Solve for x
    x = 44,936,646.74/9,672.80
  6. Step 6: Final answer
    x = 4,645.67

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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.