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Finding the Fourth Proportional to 65,951.70, 91,044.88 and 37,651.92

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Solution

The fourth proportional to 65,951.70, 91,044.88 and 37,651.92 is: 51,977.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,951.70 : 91,044.88 = 37,651.92 : x
  2. Step 2: Convert to fraction form
    65,951.70/91,044.88 = 37,651.92/x
  3. Step 3: Cross multiply
    65,951.70x = 91,044.88 × 37,651.92
  4. Step 4: Simplify right side
    65,951.70x = 3,428,014,538.17
  5. Step 5: Solve for x
    x = 3,428,014,538.17/65,951.70
  6. Step 6: Final answer
    x = 51,977.65

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1.5x scale

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.