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Finding the Fourth Proportional to 53,240.60, 79,910.10 and 26,963.80

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Solution

The fourth proportional to 53,240.60, 79,910.10 and 26,963.80 is: 40,470.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,240.60 : 79,910.10 = 26,963.80 : x
  2. Step 2: Convert to fraction form
    53,240.60/79,910.10 = 26,963.80/x
  3. Step 3: Cross multiply
    53,240.60x = 79,910.10 × 26,963.80
  4. Step 4: Simplify right side
    53,240.60x = 2,154,679,754.60
  5. Step 5: Solve for x
    x = 2,154,679,754.60/53,240.60
  6. Step 6: Final answer
    x = 40,470.61

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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.