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Finding the Fourth Proportional to 52,768.80, 79,207.76 and 35,360.28

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Solution

The fourth proportional to 52,768.80, 79,207.76 and 35,360.28 is: 53,076.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,768.80 : 79,207.76 = 35,360.28 : x
  2. Step 2: Convert to fraction form
    52,768.80/79,207.76 = 35,360.28/x
  3. Step 3: Cross multiply
    52,768.80x = 79,207.76 × 35,360.28
  4. Step 4: Simplify right side
    52,768.80x = 2,800,808,571.77
  5. Step 5: Solve for x
    x = 2,800,808,571.77/52,768.80
  6. Step 6: Final answer
    x = 53,076.98

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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.