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Finding the Fourth Proportional to 79,297.62, 109,433.88 and 43,488.94

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Solution

The fourth proportional to 79,297.62, 109,433.88 and 43,488.94 is: 60,016.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,297.62 : 109,433.88 = 43,488.94 : x
  2. Step 2: Convert to fraction form
    79,297.62/109,433.88 = 43,488.94/x
  3. Step 3: Cross multiply
    79,297.62x = 109,433.88 × 43,488.94
  4. Step 4: Simplify right side
    79,297.62x = 4,759,162,676.67
  5. Step 5: Solve for x
    x = 4,759,162,676.67/79,297.62
  6. Step 6: Final answer
    x = 60,016.46

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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.