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Finding the Fourth Proportional to 67,730.99, 93,472.11 and 40,873.04

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Solution

The fourth proportional to 67,730.99, 93,472.11 and 40,873.04 is: 56,406.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,730.99 : 93,472.11 = 40,873.04 : x
  2. Step 2: Convert to fraction form
    67,730.99/93,472.11 = 40,873.04/x
  3. Step 3: Cross multiply
    67,730.99x = 93,472.11 × 40,873.04
  4. Step 4: Simplify right side
    67,730.99x = 3,820,489,290.91
  5. Step 5: Solve for x
    x = 3,820,489,290.91/67,730.99
  6. Step 6: Final answer
    x = 56,406.81

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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.