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Finding the Fourth Proportional to 44,517, 66,782.07 and 12,927.30

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Solution

The fourth proportional to 44,517, 66,782.07 and 12,927.30 is: 19,392.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,517 : 66,782.07 = 12,927.30 : x
  2. Step 2: Convert to fraction form
    44,517/66,782.07 = 12,927.30/x
  3. Step 3: Cross multiply
    44,517x = 66,782.07 × 12,927.30
  4. Step 4: Simplify right side
    44,517x = 863,311,853.51
  5. Step 5: Solve for x
    x = 863,311,853.51/44,517
  6. Step 6: Final answer
    x = 19,392.86

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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.