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Finding the Fourth Proportional to 68,904.39, 95,071.82 and 39,096.39

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Solution

The fourth proportional to 68,904.39, 95,071.82 and 39,096.39 is: 53,943.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,904.39 : 95,071.82 = 39,096.39 : x
  2. Step 2: Convert to fraction form
    68,904.39/95,071.82 = 39,096.39/x
  3. Step 3: Cross multiply
    68,904.39x = 95,071.82 × 39,096.39
  4. Step 4: Simplify right side
    68,904.39x = 3,716,964,757.25
  5. Step 5: Solve for x
    x = 3,716,964,757.25/68,904.39
  6. Step 6: Final answer
    x = 53,943.80

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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.