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Finding the Fourth Proportional to 7,636.88, 10,544.06 and 4,769.99

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Solution

The fourth proportional to 7,636.88, 10,544.06 and 4,769.99 is: 6,585.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,636.88 : 10,544.06 = 4,769.99 : x
  2. Step 2: Convert to fraction form
    7,636.88/10,544.06 = 4,769.99/x
  3. Step 3: Cross multiply
    7,636.88x = 10,544.06 × 4,769.99
  4. Step 4: Simplify right side
    7,636.88x = 50,295,060.76
  5. Step 5: Solve for x
    x = 50,295,060.76/7,636.88
  6. Step 6: Final answer
    x = 6,585.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.