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Finding the Fourth Proportional to 65,950.52, 91,009.74 and 37,650.68

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Solution

The fourth proportional to 65,950.52, 91,009.74 and 37,650.68 is: 51,956.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,950.52 : 91,009.74 = 37,650.68 : x
  2. Step 2: Convert to fraction form
    65,950.52/91,009.74 = 37,650.68/x
  3. Step 3: Cross multiply
    65,950.52x = 91,009.74 × 37,650.68
  4. Step 4: Simplify right side
    65,950.52x = 3,426,578,597.62
  5. Step 5: Solve for x
    x = 3,426,578,597.62/65,950.52
  6. Step 6: Final answer
    x = 51,956.81

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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.