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Finding the Fourth Proportional to 67,893.18, 93,684.92 and 37,670.64

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Solution

The fourth proportional to 67,893.18, 93,684.92 and 37,670.64 is: 51,981.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,893.18 : 93,684.92 = 37,670.64 : x
  2. Step 2: Convert to fraction form
    67,893.18/93,684.92 = 37,670.64/x
  3. Step 3: Cross multiply
    67,893.18x = 93,684.92 × 37,670.64
  4. Step 4: Simplify right side
    67,893.18x = 3,529,170,706.40
  5. Step 5: Solve for x
    x = 3,529,170,706.40/67,893.18
  6. Step 6: Final answer
    x = 51,981.23

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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.