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Finding the Fourth Proportional to 45,904.80, 68,954.40 and 44,252.40

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Solution

The fourth proportional to 45,904.80, 68,954.40 and 44,252.40 is: 66,472.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,904.80 : 68,954.40 = 44,252.40 : x
  2. Step 2: Convert to fraction form
    45,904.80/68,954.40 = 44,252.40/x
  3. Step 3: Cross multiply
    45,904.80x = 68,954.40 × 44,252.40
  4. Step 4: Simplify right side
    45,904.80x = 3,051,397,690.56
  5. Step 5: Solve for x
    x = 3,051,397,690.56/45,904.80
  6. Step 6: Final answer
    x = 66,472.30

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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.