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Finding the Fourth Proportional to 56,059.83, 84,080.03 and 20,992.23

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Solution

The fourth proportional to 56,059.83, 84,080.03 and 20,992.23 is: 31,484.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,059.83 : 84,080.03 = 20,992.23 : x
  2. Step 2: Convert to fraction form
    56,059.83/84,080.03 = 20,992.23/x
  3. Step 3: Cross multiply
    56,059.83x = 84,080.03 × 20,992.23
  4. Step 4: Simplify right side
    56,059.83x = 1,765,027,223.21
  5. Step 5: Solve for x
    x = 1,765,027,223.21/56,059.83
  6. Step 6: Final answer
    x = 31,484.71

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1.5x scale

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.