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Finding the Fourth Proportional to 7,364.76, 11,047.68 and 3,663.20

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Solution

The fourth proportional to 7,364.76, 11,047.68 and 3,663.20 is: 5,495.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,364.76 : 11,047.68 = 3,663.20 : x
  2. Step 2: Convert to fraction form
    7,364.76/11,047.68 = 3,663.20/x
  3. Step 3: Cross multiply
    7,364.76x = 11,047.68 × 3,663.20
  4. Step 4: Simplify right side
    7,364.76x = 40,469,806.14
  5. Step 5: Solve for x
    x = 40,469,806.14/7,364.76
  6. Step 6: Final answer
    x = 5,495.06

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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.