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Finding the Fourth Proportional to 83,609.88, 125,426.58 and 24,450

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Solution

The fourth proportional to 83,609.88, 125,426.58 and 24,450 is: 36,678.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,609.88 : 125,426.58 = 24,450 : x
  2. Step 2: Convert to fraction form
    83,609.88/125,426.58 = 24,450/x
  3. Step 3: Cross multiply
    83,609.88x = 125,426.58 × 24,450
  4. Step 4: Simplify right side
    83,609.88x = 3,066,679,881
  5. Step 5: Solve for x
    x = 3,066,679,881/83,609.88
  6. Step 6: Final answer
    x = 36,678.44

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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.