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Finding the Fourth Proportional to 16,750.56, 25,096.68 and 12,376.56

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Solution

The fourth proportional to 16,750.56, 25,096.68 and 12,376.56 is: 18,543.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,750.56 : 25,096.68 = 12,376.56 : x
  2. Step 2: Convert to fraction form
    16,750.56/25,096.68 = 12,376.56/x
  3. Step 3: Cross multiply
    16,750.56x = 25,096.68 × 12,376.56
  4. Step 4: Simplify right side
    16,750.56x = 310,610,565.82
  5. Step 5: Solve for x
    x = 310,610,565.82/16,750.56
  6. Step 6: Final answer
    x = 18,543.29

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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.