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Finding the Fourth Proportional to 24,393.28, 33,662.70 and 13,215.28

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Solution

The fourth proportional to 24,393.28, 33,662.70 and 13,215.28 is: 18,237.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,393.28 : 33,662.70 = 13,215.28 : x
  2. Step 2: Convert to fraction form
    24,393.28/33,662.70 = 13,215.28/x
  3. Step 3: Cross multiply
    24,393.28x = 33,662.70 × 13,215.28
  4. Step 4: Simplify right side
    24,393.28x = 444,862,006.06
  5. Step 5: Solve for x
    x = 444,862,006.06/24,393.28
  6. Step 6: Final answer
    x = 18,237.07

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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.