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Finding the Fourth Proportional to 67,721.66, 93,449.85 and 37,506.42

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Solution

The fourth proportional to 67,721.66, 93,449.85 and 37,506.42 is: 51,755.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,721.66 : 93,449.85 = 37,506.42 : x
  2. Step 2: Convert to fraction form
    67,721.66/93,449.85 = 37,506.42/x
  3. Step 3: Cross multiply
    67,721.66x = 93,449.85 × 37,506.42
  4. Step 4: Simplify right side
    67,721.66x = 3,504,969,323.04
  5. Step 5: Solve for x
    x = 3,504,969,323.04/67,721.66
  6. Step 6: Final answer
    x = 51,755.52

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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.