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Finding the Fourth Proportional to 45,785.62, 68,701.84 and 21,797.03

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Solution

The fourth proportional to 45,785.62, 68,701.84 and 21,797.03 is: 32,706.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,785.62 : 68,701.84 = 21,797.03 : x
  2. Step 2: Convert to fraction form
    45,785.62/68,701.84 = 21,797.03/x
  3. Step 3: Cross multiply
    45,785.62x = 68,701.84 × 21,797.03
  4. Step 4: Simplify right side
    45,785.62x = 1,497,495,920.96
  5. Step 5: Solve for x
    x = 1,497,495,920.96/45,785.62
  6. Step 6: Final answer
    x = 32,706.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.