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Finding the Fourth Proportional to 24,491.50, 33,798.81 and 13,313.50

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Solution

The fourth proportional to 24,491.50, 33,798.81 and 13,313.50 is: 18,372.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,491.50 : 33,798.81 = 13,313.50 : x
  2. Step 2: Convert to fraction form
    24,491.50/33,798.81 = 13,313.50/x
  3. Step 3: Cross multiply
    24,491.50x = 33,798.81 × 13,313.50
  4. Step 4: Simplify right side
    24,491.50x = 449,980,456.94
  5. Step 5: Solve for x
    x = 449,980,456.94/24,491.50
  6. Step 6: Final answer
    x = 18,372.92

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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.