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Finding the Fourth Proportional to 24,620.31, 33,975.84 and 13,442.31

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Solution

The fourth proportional to 24,620.31, 33,975.84 and 13,442.31 is: 18,550.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,620.31 : 33,975.84 = 13,442.31 : x
  2. Step 2: Convert to fraction form
    24,620.31/33,975.84 = 13,442.31/x
  3. Step 3: Cross multiply
    24,620.31x = 33,975.84 × 13,442.31
  4. Step 4: Simplify right side
    24,620.31x = 456,713,773.79
  5. Step 5: Solve for x
    x = 456,713,773.79/24,620.31
  6. Step 6: Final answer
    x = 18,550.29

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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.