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Finding the Fourth Proportional to 53,113.44, 79,719.44 and 26,836.63

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Solution

The fourth proportional to 53,113.44, 79,719.44 and 26,836.63 is: 40,279.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,113.44 : 79,719.44 = 26,836.63 : x
  2. Step 2: Convert to fraction form
    53,113.44/79,719.44 = 26,836.63/x
  3. Step 3: Cross multiply
    53,113.44x = 79,719.44 × 26,836.63
  4. Step 4: Simplify right side
    53,113.44x = 2,139,401,115.09
  5. Step 5: Solve for x
    x = 2,139,401,115.09/53,113.44
  6. Step 6: Final answer
    x = 40,279.84

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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.