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Finding the Fourth Proportional to 56,573.92, 84,731.64 and 27,012.52

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Solution

The fourth proportional to 56,573.92, 84,731.64 and 27,012.52 is: 40,457.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,573.92 : 84,731.64 = 27,012.52 : x
  2. Step 2: Convert to fraction form
    56,573.92/84,731.64 = 27,012.52/x
  3. Step 3: Cross multiply
    56,573.92x = 84,731.64 × 27,012.52
  4. Step 4: Simplify right side
    56,573.92x = 2,288,815,120.13
  5. Step 5: Solve for x
    x = 2,288,815,120.13/56,573.92
  6. Step 6: Final answer
    x = 40,457.07

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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.