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Finding the Fourth Proportional to 1,672.03, 2,510.48 and 1,234.63

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Solution

The fourth proportional to 1,672.03, 2,510.48 and 1,234.63 is: 1,853.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672.03 : 2,510.48 = 1,234.63 : x
  2. Step 2: Convert to fraction form
    1,672.03/2,510.48 = 1,234.63/x
  3. Step 3: Cross multiply
    1,672.03x = 2,510.48 × 1,234.63
  4. Step 4: Simplify right side
    1,672.03x = 3,099,513.92
  5. Step 5: Solve for x
    x = 3,099,513.92/1,672.03
  6. Step 6: Final answer
    x = 1,853.74

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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.