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Finding the Fourth Proportional to 66,669.87, 100,004.90 and 27,226.98

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Solution

The fourth proportional to 66,669.87, 100,004.90 and 27,226.98 is: 40,840.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,669.87 : 100,004.90 = 27,226.98 : x
  2. Step 2: Convert to fraction form
    66,669.87/100,004.90 = 27,226.98/x
  3. Step 3: Cross multiply
    66,669.87x = 100,004.90 × 27,226.98
  4. Step 4: Simplify right side
    66,669.87x = 2,722,831,276.07
  5. Step 5: Solve for x
    x = 2,722,831,276.07/66,669.87
  6. Step 6: Final answer
    x = 40,840.51

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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.