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Finding the Fourth Proportional to 65,951.52, 91,011.12 and 37,651.68

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Solution

The fourth proportional to 65,951.52, 91,011.12 and 37,651.68 is: 51,958.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,951.52 : 91,011.12 = 37,651.68 : x
  2. Step 2: Convert to fraction form
    65,951.52/91,011.12 = 37,651.68/x
  3. Step 3: Cross multiply
    65,951.52x = 91,011.12 × 37,651.68
  4. Step 4: Simplify right side
    65,951.52x = 3,426,721,566.68
  5. Step 5: Solve for x
    x = 3,426,721,566.68/65,951.52
  6. Step 6: Final answer
    x = 51,958.19

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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.