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Finding the Fourth Proportional to 56,000.20, 80,629.92 and 56,000.20

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Solution

The fourth proportional to 56,000.20, 80,629.92 and 56,000.20 is: 80,629.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,000.20 : 80,629.92 = 56,000.20 : x
  2. Step 2: Convert to fraction form
    56,000.20/80,629.92 = 56,000.20/x
  3. Step 3: Cross multiply
    56,000.20x = 80,629.92 × 56,000.20
  4. Step 4: Simplify right side
    56,000.20x = 4,515,291,645.98
  5. Step 5: Solve for x
    x = 4,515,291,645.98/56,000.20
  6. Step 6: Final answer
    x = 80,629.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.