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Finding the Fourth Proportional to 67,668.51, 93,380.67 and 37,453.08

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Solution

The fourth proportional to 67,668.51, 93,380.67 and 37,453.08 is: 51,684.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,668.51 : 93,380.67 = 37,453.08 : x
  2. Step 2: Convert to fraction form
    67,668.51/93,380.67 = 37,453.08/x
  3. Step 3: Cross multiply
    67,668.51x = 93,380.67 × 37,453.08
  4. Step 4: Simplify right side
    67,668.51x = 3,497,393,703.96
  5. Step 5: Solve for x
    x = 3,497,393,703.96/67,668.51
  6. Step 6: Final answer
    x = 51,684.21

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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.