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Finding the Fourth Proportional to 32,994.84, 45,516.78 and 18,843.96

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Solution

The fourth proportional to 32,994.84, 45,516.78 and 18,843.96 is: 25,995.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,994.84 : 45,516.78 = 18,843.96 : x
  2. Step 2: Convert to fraction form
    32,994.84/45,516.78 = 18,843.96/x
  3. Step 3: Cross multiply
    32,994.84x = 45,516.78 × 18,843.96
  4. Step 4: Simplify right side
    32,994.84x = 857,716,381.65
  5. Step 5: Solve for x
    x = 857,716,381.65/32,994.84
  6. Step 6: Final answer
    x = 25,995.47

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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.