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Finding the Fourth Proportional to 67,364.33, 92,962.62 and 40,522.41

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Solution

The fourth proportional to 67,364.33, 92,962.62 and 40,522.41 is: 55,920.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,364.33 : 92,962.62 = 40,522.41 : x
  2. Step 2: Convert to fraction form
    67,364.33/92,962.62 = 40,522.41/x
  3. Step 3: Cross multiply
    67,364.33x = 92,962.62 × 40,522.41
  4. Step 4: Simplify right side
    67,364.33x = 3,767,069,402.31
  5. Step 5: Solve for x
    x = 3,767,069,402.31/67,364.33
  6. Step 6: Final answer
    x = 55,920.84

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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.