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Finding the Fourth Proportional to 68,473.62, 94,484.20 and 38,255.19

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Solution

The fourth proportional to 68,473.62, 94,484.20 and 38,255.19 is: 52,786.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,473.62 : 94,484.20 = 38,255.19 : x
  2. Step 2: Convert to fraction form
    68,473.62/94,484.20 = 38,255.19/x
  3. Step 3: Cross multiply
    68,473.62x = 94,484.20 × 38,255.19
  4. Step 4: Simplify right side
    68,473.62x = 3,614,511,023.00
  5. Step 5: Solve for x
    x = 3,614,511,023.00/68,473.62
  6. Step 6: Final answer
    x = 52,786.91

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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.