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Finding the Fourth Proportional to 56,967.66, 78,601.46 and 35,474.31

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Solution

The fourth proportional to 56,967.66, 78,601.46 and 35,474.31 is: 48,945.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,967.66 : 78,601.46 = 35,474.31 : x
  2. Step 2: Convert to fraction form
    56,967.66/78,601.46 = 35,474.31/x
  3. Step 3: Cross multiply
    56,967.66x = 78,601.46 × 35,474.31
  4. Step 4: Simplify right side
    56,967.66x = 2,788,332,381.12
  5. Step 5: Solve for x
    x = 2,788,332,381.12/56,967.66
  6. Step 6: Final answer
    x = 48,945.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.