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Finding the Fourth Proportional to 52,738.40, 79,009.16 and 35,220.52

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Solution

The fourth proportional to 52,738.40, 79,009.16 and 35,220.52 is: 52,765.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,738.40 : 79,009.16 = 35,220.52 : x
  2. Step 2: Convert to fraction form
    52,738.40/79,009.16 = 35,220.52/x
  3. Step 3: Cross multiply
    52,738.40x = 79,009.16 × 35,220.52
  4. Step 4: Simplify right side
    52,738.40x = 2,782,743,699.96
  5. Step 5: Solve for x
    x = 2,782,743,699.96/52,738.40
  6. Step 6: Final answer
    x = 52,765.04

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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.