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Finding the Fourth Proportional to 67,701.67, 93,433.55 and 37,489.80

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Solution

The fourth proportional to 67,701.67, 93,433.55 and 37,489.80 is: 51,738.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,701.67 : 93,433.55 = 37,489.80 : x
  2. Step 2: Convert to fraction form
    67,701.67/93,433.55 = 37,489.80/x
  3. Step 3: Cross multiply
    67,701.67x = 93,433.55 × 37,489.80
  4. Step 4: Simplify right side
    67,701.67x = 3,502,805,102.79
  5. Step 5: Solve for x
    x = 3,502,805,102.79/67,701.67
  6. Step 6: Final answer
    x = 51,738.83

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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.