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Finding the Fourth Proportional to 66,141.96, 91,276.89 and 35,927.87

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Solution

The fourth proportional to 66,141.96, 91,276.89 and 35,927.87 is: 49,581.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,141.96 : 91,276.89 = 35,927.87 : x
  2. Step 2: Convert to fraction form
    66,141.96/91,276.89 = 35,927.87/x
  3. Step 3: Cross multiply
    66,141.96x = 91,276.89 × 35,927.87
  4. Step 4: Simplify right side
    66,141.96x = 3,279,384,237.92
  5. Step 5: Solve for x
    x = 3,279,384,237.92/66,141.96
  6. Step 6: Final answer
    x = 49,581.00

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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.