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Finding the Fourth Proportional to 8,348.40, 12,544.74 and 5,061.96

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Solution

The fourth proportional to 8,348.40, 12,544.74 and 5,061.96 is: 7,606.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,348.40 : 12,544.74 = 5,061.96 : x
  2. Step 2: Convert to fraction form
    8,348.40/12,544.74 = 5,061.96/x
  3. Step 3: Cross multiply
    8,348.40x = 12,544.74 × 5,061.96
  4. Step 4: Simplify right side
    8,348.40x = 63,500,972.09
  5. Step 5: Solve for x
    x = 63,500,972.09/8,348.40
  6. Step 6: Final answer
    x = 7,606.36

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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.