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Finding the Fourth Proportional to 57,076.56, 85,619.88 and 14,956.56

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Solution

The fourth proportional to 57,076.56, 85,619.88 and 14,956.56 is: 22,436.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,076.56 : 85,619.88 = 14,956.56 : x
  2. Step 2: Convert to fraction form
    57,076.56/85,619.88 = 14,956.56/x
  3. Step 3: Cross multiply
    57,076.56x = 85,619.88 × 14,956.56
  4. Step 4: Simplify right side
    57,076.56x = 1,280,578,872.41
  5. Step 5: Solve for x
    x = 1,280,578,872.41/57,076.56
  6. Step 6: Final answer
    x = 22,436.16

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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.