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Finding the Fourth Proportional to 9,776.22, 13,491.03 and 5,299.89

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Solution

The fourth proportional to 9,776.22, 13,491.03 and 5,299.89 is: 7,313.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,776.22 : 13,491.03 = 5,299.89 : x
  2. Step 2: Convert to fraction form
    9,776.22/13,491.03 = 5,299.89/x
  3. Step 3: Cross multiply
    9,776.22x = 13,491.03 × 5,299.89
  4. Step 4: Simplify right side
    9,776.22x = 71,500,974.99
  5. Step 5: Solve for x
    x = 71,500,974.99/9,776.22
  6. Step 6: Final answer
    x = 7,313.76

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1.5x scale

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.