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Finding the Fourth Proportional to 67,149.69, 92,668.32 and 36,935.79

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Solution

The fourth proportional to 67,149.69, 92,668.32 and 36,935.79 is: 50,972.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,149.69 : 92,668.32 = 36,935.79 : x
  2. Step 2: Convert to fraction form
    67,149.69/92,668.32 = 36,935.79/x
  3. Step 3: Cross multiply
    67,149.69x = 92,668.32 × 36,935.79
  4. Step 4: Simplify right side
    67,149.69x = 3,422,777,607.17
  5. Step 5: Solve for x
    x = 3,422,777,607.17/67,149.69
  6. Step 6: Final answer
    x = 50,972.35

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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.