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Finding the Fourth Proportional to 56,474.70, 84,694.74 and 19,024.72

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Solution

The fourth proportional to 56,474.70, 84,694.74 and 19,024.72 is: 28,531.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,474.70 : 84,694.74 = 19,024.72 : x
  2. Step 2: Convert to fraction form
    56,474.70/84,694.74 = 19,024.72/x
  3. Step 3: Cross multiply
    56,474.70x = 84,694.74 × 19,024.72
  4. Step 4: Simplify right side
    56,474.70x = 1,611,293,713.97
  5. Step 5: Solve for x
    x = 1,611,293,713.97/56,474.70
  6. Step 6: Final answer
    x = 28,531.25

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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.