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Finding the Fourth Proportional to 56,090.44, 84,135.66 and 22,828.60

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Solution

The fourth proportional to 56,090.44, 84,135.66 and 22,828.60 is: 34,242.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,090.44 : 84,135.66 = 22,828.60 : x
  2. Step 2: Convert to fraction form
    56,090.44/84,135.66 = 22,828.60/x
  3. Step 3: Cross multiply
    56,090.44x = 84,135.66 × 22,828.60
  4. Step 4: Simplify right side
    56,090.44x = 1,920,699,327.88
  5. Step 5: Solve for x
    x = 1,920,699,327.88/56,090.44
  6. Step 6: Final answer
    x = 34,242.90

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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.