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Finding the Fourth Proportional to 67,181.92, 92,712.54 and 36,968.83

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Solution

The fourth proportional to 67,181.92, 92,712.54 and 36,968.83 is: 51,017.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,181.92 : 92,712.54 = 36,968.83 : x
  2. Step 2: Convert to fraction form
    67,181.92/92,712.54 = 36,968.83/x
  3. Step 3: Cross multiply
    67,181.92x = 92,712.54 × 36,968.83
  4. Step 4: Simplify right side
    67,181.92x = 3,427,474,130.13
  5. Step 5: Solve for x
    x = 3,427,474,130.13/67,181.92
  6. Step 6: Final answer
    x = 51,017.81

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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.