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Finding the Fourth Proportional to 56,387.73, 84,475.26 and 43,846.98

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Solution

The fourth proportional to 56,387.73, 84,475.26 and 43,846.98 is: 65,687.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,387.73 : 84,475.26 = 43,846.98 : x
  2. Step 2: Convert to fraction form
    56,387.73/84,475.26 = 43,846.98/x
  3. Step 3: Cross multiply
    56,387.73x = 84,475.26 × 43,846.98
  4. Step 4: Simplify right side
    56,387.73x = 3,703,985,035.71
  5. Step 5: Solve for x
    x = 3,703,985,035.71/56,387.73
  6. Step 6: Final answer
    x = 65,687.78

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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.