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Finding the Fourth Proportional to 67,697.26, 93,392.81 and 40,824.84

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Solution

The fourth proportional to 67,697.26, 93,392.81 and 40,824.84 is: 56,320.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,697.26 : 93,392.81 = 40,824.84 : x
  2. Step 2: Convert to fraction form
    67,697.26/93,392.81 = 40,824.84/x
  3. Step 3: Cross multiply
    67,697.26x = 93,392.81 × 40,824.84
  4. Step 4: Simplify right side
    67,697.26x = 3,812,746,124.15
  5. Step 5: Solve for x
    x = 3,812,746,124.15/67,697.26
  6. Step 6: Final answer
    x = 56,320.54

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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.