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Finding the Fourth Proportional to 52,610.40, 78,829.20 and 43,797.60

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Solution

The fourth proportional to 52,610.40, 78,829.20 and 43,797.60 is: 65,624.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,610.40 : 78,829.20 = 43,797.60 : x
  2. Step 2: Convert to fraction form
    52,610.40/78,829.20 = 43,797.60/x
  3. Step 3: Cross multiply
    52,610.40x = 78,829.20 × 43,797.60
  4. Step 4: Simplify right side
    52,610.40x = 3,452,529,769.92
  5. Step 5: Solve for x
    x = 3,452,529,769.92/52,610.40
  6. Step 6: Final answer
    x = 65,624.47

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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.