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Finding the Fourth Proportional to 67,876.66, 93,668.36 and 37,661.33

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Solution

The fourth proportional to 67,876.66, 93,668.36 and 37,661.33 is: 51,971.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,876.66 : 93,668.36 = 37,661.33 : x
  2. Step 2: Convert to fraction form
    67,876.66/93,668.36 = 37,661.33/x
  3. Step 3: Cross multiply
    67,876.66x = 93,668.36 × 37,661.33
  4. Step 4: Simplify right side
    67,876.66x = 3,527,675,344.84
  5. Step 5: Solve for x
    x = 3,527,675,344.84/67,876.66
  6. Step 6: Final answer
    x = 51,971.84

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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.