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Finding the Fourth Proportional to 65,953.84, 91,017.48 and 35,739.76

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Solution

The fourth proportional to 65,953.84, 91,017.48 and 35,739.76 is: 49,321.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,953.84 : 91,017.48 = 35,739.76 : x
  2. Step 2: Convert to fraction form
    65,953.84/91,017.48 = 35,739.76/x
  3. Step 3: Cross multiply
    65,953.84x = 91,017.48 × 35,739.76
  4. Step 4: Simplify right side
    65,953.84x = 3,252,942,891.00
  5. Step 5: Solve for x
    x = 3,252,942,891.00/65,953.84
  6. Step 6: Final answer
    x = 49,321.51

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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.