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Finding the Fourth Proportional to 7,668.30, 11,495.61 and 2,736.84

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Solution

The fourth proportional to 7,668.30, 11,495.61 and 2,736.84 is: 4,102.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,668.30 : 11,495.61 = 2,736.84 : x
  2. Step 2: Convert to fraction form
    7,668.30/11,495.61 = 2,736.84/x
  3. Step 3: Cross multiply
    7,668.30x = 11,495.61 × 2,736.84
  4. Step 4: Simplify right side
    7,668.30x = 31,461,645.27
  5. Step 5: Solve for x
    x = 31,461,645.27/7,668.30
  6. Step 6: Final answer
    x = 4,102.82

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1.5x scale

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.