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Finding the Fourth Proportional to 67,671.91, 93,384.85 and 37,457.29

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Solution

The fourth proportional to 67,671.91, 93,384.85 and 37,457.29 is: 51,689.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,671.91 : 93,384.85 = 37,457.29 : x
  2. Step 2: Convert to fraction form
    67,671.91/93,384.85 = 37,457.29/x
  3. Step 3: Cross multiply
    67,671.91x = 93,384.85 × 37,457.29
  4. Step 4: Simplify right side
    67,671.91x = 3,497,942,753.85
  5. Step 5: Solve for x
    x = 3,497,942,753.85/67,671.91
  6. Step 6: Final answer
    x = 51,689.73

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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.