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Finding the Fourth Proportional to 11,491.84, 17,237.84 and 5,250.56

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Solution

The fourth proportional to 11,491.84, 17,237.84 and 5,250.56 is: 7,875.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,491.84 : 17,237.84 = 5,250.56 : x
  2. Step 2: Convert to fraction form
    11,491.84/17,237.84 = 5,250.56/x
  3. Step 3: Cross multiply
    11,491.84x = 17,237.84 × 5,250.56
  4. Step 4: Simplify right side
    11,491.84x = 90,508,313.19
  5. Step 5: Solve for x
    x = 90,508,313.19/11,491.84
  6. Step 6: Final answer
    x = 7,875.88

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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.