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Finding the Fourth Proportional to 56,652.02, 84,978 and 26,979.90

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Solution

The fourth proportional to 56,652.02, 84,978 and 26,979.90 is: 40,469.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,652.02 : 84,978 = 26,979.90 : x
  2. Step 2: Convert to fraction form
    56,652.02/84,978 = 26,979.90/x
  3. Step 3: Cross multiply
    56,652.02x = 84,978 × 26,979.90
  4. Step 4: Simplify right side
    56,652.02x = 2,292,697,942.20
  5. Step 5: Solve for x
    x = 2,292,697,942.20/56,652.02
  6. Step 6: Final answer
    x = 40,469.84

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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.