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Finding the Fourth Proportional to 52,562.40, 78,843.60 and 35,973.60

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Solution

The fourth proportional to 52,562.40, 78,843.60 and 35,973.60 is: 53,960.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,562.40 : 78,843.60 = 35,973.60 : x
  2. Step 2: Convert to fraction form
    52,562.40/78,843.60 = 35,973.60/x
  3. Step 3: Cross multiply
    52,562.40x = 78,843.60 × 35,973.60
  4. Step 4: Simplify right side
    52,562.40x = 2,836,288,128.96
  5. Step 5: Solve for x
    x = 2,836,288,128.96/52,562.40
  6. Step 6: Final answer
    x = 53,960.40

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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.