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Finding the Fourth Proportional to 67,874.67, 93,666.90 and 37,664.58

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Solution

The fourth proportional to 67,874.67, 93,666.90 and 37,664.58 is: 51,977.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,874.67 : 93,666.90 = 37,664.58 : x
  2. Step 2: Convert to fraction form
    67,874.67/93,666.90 = 37,664.58/x
  3. Step 3: Cross multiply
    67,874.67x = 93,666.90 × 37,664.58
  4. Step 4: Simplify right side
    67,874.67x = 3,527,924,448.40
  5. Step 5: Solve for x
    x = 3,527,924,448.40/67,874.67
  6. Step 6: Final answer
    x = 51,977.04

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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.