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Finding the Fourth Proportional to 53,240.70, 79,861.05 and 29,864.10

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Solution

The fourth proportional to 53,240.70, 79,861.05 and 29,864.10 is: 44,796.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,240.70 : 79,861.05 = 29,864.10 : x
  2. Step 2: Convert to fraction form
    53,240.70/79,861.05 = 29,864.10/x
  3. Step 3: Cross multiply
    53,240.70x = 79,861.05 × 29,864.10
  4. Step 4: Simplify right side
    53,240.70x = 2,384,978,383.31
  5. Step 5: Solve for x
    x = 2,384,978,383.31/53,240.70
  6. Step 6: Final answer
    x = 44,796.15

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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.