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Finding the Fourth Proportional to 44,705.80, 66,912.90 and 44,705.80

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Solution

The fourth proportional to 44,705.80, 66,912.90 and 44,705.80 is: 66,912.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,705.80 : 66,912.90 = 44,705.80 : x
  2. Step 2: Convert to fraction form
    44,705.80/66,912.90 = 44,705.80/x
  3. Step 3: Cross multiply
    44,705.80x = 66,912.90 × 44,705.80
  4. Step 4: Simplify right side
    44,705.80x = 2,991,394,724.82
  5. Step 5: Solve for x
    x = 2,991,394,724.82/44,705.80
  6. Step 6: Final answer
    x = 66,912.90

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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.