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Finding the Fourth Proportional to 56,469.60, 84,801.60 and 36,835.20

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Solution

The fourth proportional to 56,469.60, 84,801.60 and 36,835.20 is: 55,316.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,469.60 : 84,801.60 = 36,835.20 : x
  2. Step 2: Convert to fraction form
    56,469.60/84,801.60 = 36,835.20/x
  3. Step 3: Cross multiply
    56,469.60x = 84,801.60 × 36,835.20
  4. Step 4: Simplify right side
    56,469.60x = 3,123,683,896.32
  5. Step 5: Solve for x
    x = 3,123,683,896.32/56,469.60
  6. Step 6: Final answer
    x = 55,316.20

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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.