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Finding the Fourth Proportional to 68,622.60, 102,933.90 and 27,064.20

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Solution

The fourth proportional to 68,622.60, 102,933.90 and 27,064.20 is: 40,596.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,622.60 : 102,933.90 = 27,064.20 : x
  2. Step 2: Convert to fraction form
    68,622.60/102,933.90 = 27,064.20/x
  3. Step 3: Cross multiply
    68,622.60x = 102,933.90 × 27,064.20
  4. Step 4: Simplify right side
    68,622.60x = 2,785,823,656.38
  5. Step 5: Solve for x
    x = 2,785,823,656.38/68,622.60
  6. Step 6: Final answer
    x = 40,596.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.