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Finding the Fourth Proportional to 56,810.80, 85,226.10 and 23,512.60

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Solution

The fourth proportional to 56,810.80, 85,226.10 and 23,512.60 is: 35,273.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,810.80 : 85,226.10 = 23,512.60 : x
  2. Step 2: Convert to fraction form
    56,810.80/85,226.10 = 23,512.60/x
  3. Step 3: Cross multiply
    56,810.80x = 85,226.10 × 23,512.60
  4. Step 4: Simplify right side
    56,810.80x = 2,003,887,198.86
  5. Step 5: Solve for x
    x = 2,003,887,198.86/56,810.80
  6. Step 6: Final answer
    x = 35,273.00

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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.