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Finding the Fourth Proportional to 67,585.44, 93,244.80 and 40,717.80

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Solution

The fourth proportional to 67,585.44, 93,244.80 and 40,717.80 is: 56,176.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,585.44 : 93,244.80 = 40,717.80 : x
  2. Step 2: Convert to fraction form
    67,585.44/93,244.80 = 40,717.80/x
  3. Step 3: Cross multiply
    67,585.44x = 93,244.80 × 40,717.80
  4. Step 4: Simplify right side
    67,585.44x = 3,796,723,117.44
  5. Step 5: Solve for x
    x = 3,796,723,117.44/67,585.44
  6. Step 6: Final answer
    x = 56,176.64

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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.