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Finding the Fourth Proportional to 29,481.86, 40,685.06 and 17,544.96

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Solution

The fourth proportional to 29,481.86, 40,685.06 and 17,544.96 is: 24,212.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,481.86 : 40,685.06 = 17,544.96 : x
  2. Step 2: Convert to fraction form
    29,481.86/40,685.06 = 17,544.96/x
  3. Step 3: Cross multiply
    29,481.86x = 40,685.06 × 17,544.96
  4. Step 4: Simplify right side
    29,481.86x = 713,817,794.16
  5. Step 5: Solve for x
    x = 713,817,794.16/29,481.86
  6. Step 6: Final answer
    x = 24,212.10

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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.