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Finding the Fourth Proportional to 68,497.62, 94,523.21 and 38,277.05

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Solution

The fourth proportional to 68,497.62, 94,523.21 and 38,277.05 is: 52,820.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,497.62 : 94,523.21 = 38,277.05 : x
  2. Step 2: Convert to fraction form
    68,497.62/94,523.21 = 38,277.05/x
  3. Step 3: Cross multiply
    68,497.62x = 94,523.21 × 38,277.05
  4. Step 4: Simplify right side
    68,497.62x = 3,618,068,971.33
  5. Step 5: Solve for x
    x = 3,618,068,971.33/68,497.62
  6. Step 6: Final answer
    x = 52,820.36

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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.