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Finding the Fourth Proportional to 67,883.90, 93,678.38 and 37,668.98

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Solution

The fourth proportional to 67,883.90, 93,678.38 and 37,668.98 is: 51,982.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,883.90 : 93,678.38 = 37,668.98 : x
  2. Step 2: Convert to fraction form
    67,883.90/93,678.38 = 37,668.98/x
  3. Step 3: Cross multiply
    67,883.90x = 93,678.38 × 37,668.98
  4. Step 4: Simplify right side
    67,883.90x = 3,528,769,022.65
  5. Step 5: Solve for x
    x = 3,528,769,022.65/67,883.90
  6. Step 6: Final answer
    x = 51,982.41

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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.