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Finding the Fourth Proportional to 68,892.82, 95,064.75 and 38,681.44

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Solution

The fourth proportional to 68,892.82, 95,064.75 and 38,681.44 is: 53,376.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,892.82 : 95,064.75 = 38,681.44 : x
  2. Step 2: Convert to fraction form
    68,892.82/95,064.75 = 38,681.44/x
  3. Step 3: Cross multiply
    68,892.82x = 95,064.75 × 38,681.44
  4. Step 4: Simplify right side
    68,892.82x = 3,677,241,423.24
  5. Step 5: Solve for x
    x = 3,677,241,423.24/68,892.82
  6. Step 6: Final answer
    x = 53,376.27

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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.