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Finding the Fourth Proportional to 65,955.45, 91,018.37 and 35,741.61

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Solution

The fourth proportional to 65,955.45, 91,018.37 and 35,741.61 is: 49,323.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,955.45 : 91,018.37 = 35,741.61 : x
  2. Step 2: Convert to fraction form
    65,955.45/91,018.37 = 35,741.61/x
  3. Step 3: Cross multiply
    65,955.45x = 91,018.37 × 35,741.61
  4. Step 4: Simplify right side
    65,955.45x = 3,253,142,904.67
  5. Step 5: Solve for x
    x = 3,253,142,904.67/65,955.45
  6. Step 6: Final answer
    x = 49,323.34

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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.