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Finding the Fourth Proportional to 67,125.79, 100,662.31 and 24,982.81

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Solution

The fourth proportional to 67,125.79, 100,662.31 and 24,982.81 is: 37,464.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,125.79 : 100,662.31 = 24,982.81 : x
  2. Step 2: Convert to fraction form
    67,125.79/100,662.31 = 24,982.81/x
  3. Step 3: Cross multiply
    67,125.79x = 100,662.31 × 24,982.81
  4. Step 4: Simplify right side
    67,125.79x = 2,514,827,364.89
  5. Step 5: Solve for x
    x = 2,514,827,364.89/67,125.79
  6. Step 6: Final answer
    x = 37,464.40

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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.