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Finding the Fourth Proportional to 68,003.69, 93,839.58 and 39,325.23

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Solution

The fourth proportional to 68,003.69, 93,839.58 and 39,325.23 is: 54,265.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,003.69 : 93,839.58 = 39,325.23 : x
  2. Step 2: Convert to fraction form
    68,003.69/93,839.58 = 39,325.23/x
  3. Step 3: Cross multiply
    68,003.69x = 93,839.58 × 39,325.23
  4. Step 4: Simplify right side
    68,003.69x = 3,690,263,066.60
  5. Step 5: Solve for x
    x = 3,690,263,066.60/68,003.69
  6. Step 6: Final answer
    x = 54,265.63

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1.5x scale

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.