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Finding the Fourth Proportional to 65,950.60, 91,011.54 and 35,736.04

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Solution

The fourth proportional to 65,950.60, 91,011.54 and 35,736.04 is: 49,315.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,950.60 : 91,011.54 = 35,736.04 : x
  2. Step 2: Convert to fraction form
    65,950.60/91,011.54 = 35,736.04/x
  3. Step 3: Cross multiply
    65,950.60x = 91,011.54 × 35,736.04
  4. Step 4: Simplify right side
    65,950.60x = 3,252,392,033.90
  5. Step 5: Solve for x
    x = 3,252,392,033.90/65,950.60
  6. Step 6: Final answer
    x = 49,315.58

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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.