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Finding the Fourth Proportional to 67,387.52, 92,993.63 and 37,175.74

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Solution

The fourth proportional to 67,387.52, 92,993.63 and 37,175.74 is: 51,301.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,387.52 : 92,993.63 = 37,175.74 : x
  2. Step 2: Convert to fraction form
    67,387.52/92,993.63 = 37,175.74/x
  3. Step 3: Cross multiply
    67,387.52x = 92,993.63 × 37,175.74
  4. Step 4: Simplify right side
    67,387.52x = 3,457,106,359.69
  5. Step 5: Solve for x
    x = 3,457,106,359.69/67,387.52
  6. Step 6: Final answer
    x = 51,301.88

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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.