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Finding the Fourth Proportional to 8,248.70, 12,370.49 and 2,700.81

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Solution

The fourth proportional to 8,248.70, 12,370.49 and 2,700.81 is: 4,050.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,248.70 : 12,370.49 = 2,700.81 : x
  2. Step 2: Convert to fraction form
    8,248.70/12,370.49 = 2,700.81/x
  3. Step 3: Cross multiply
    8,248.70x = 12,370.49 × 2,700.81
  4. Step 4: Simplify right side
    8,248.70x = 33,410,339.72
  5. Step 5: Solve for x
    x = 33,410,339.72/8,248.70
  6. Step 6: Final answer
    x = 4,050.38

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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.