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Finding the Fourth Proportional to 8,374.29, 12,563.05 and 4,483.05

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Solution

The fourth proportional to 8,374.29, 12,563.05 and 4,483.05 is: 6,725.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,374.29 : 12,563.05 = 4,483.05 : x
  2. Step 2: Convert to fraction form
    8,374.29/12,563.05 = 4,483.05/x
  3. Step 3: Cross multiply
    8,374.29x = 12,563.05 × 4,483.05
  4. Step 4: Simplify right side
    8,374.29x = 56,320,731.39
  5. Step 5: Solve for x
    x = 56,320,731.39/8,374.29
  6. Step 6: Final answer
    x = 6,725.44

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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.