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Finding the Fourth Proportional to 67,713.75, 93,445.07 and 37,905.75

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Solution

The fourth proportional to 67,713.75, 93,445.07 and 37,905.75 is: 52,309.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,713.75 : 93,445.07 = 37,905.75 : x
  2. Step 2: Convert to fraction form
    67,713.75/93,445.07 = 37,905.75/x
  3. Step 3: Cross multiply
    67,713.75x = 93,445.07 × 37,905.75
  4. Step 4: Simplify right side
    67,713.75x = 3,542,105,272.62
  5. Step 5: Solve for x
    x = 3,542,105,272.62/67,713.75
  6. Step 6: Final answer
    x = 52,309.99

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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.