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Finding the Fourth Proportional to 23,959.88, 33,065.64 and 13,349.50

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Solution

The fourth proportional to 23,959.88, 33,065.64 and 13,349.50 is: 18,422.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,959.88 : 33,065.64 = 13,349.50 : x
  2. Step 2: Convert to fraction form
    23,959.88/33,065.64 = 13,349.50/x
  3. Step 3: Cross multiply
    23,959.88x = 33,065.64 × 13,349.50
  4. Step 4: Simplify right side
    23,959.88x = 441,409,761.18
  5. Step 5: Solve for x
    x = 441,409,761.18/23,959.88
  6. Step 6: Final answer
    x = 18,422.87

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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.