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Finding the Fourth Proportional to 8,627.46, 12,954.15 and 4,933.86

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Solution

The fourth proportional to 8,627.46, 12,954.15 and 4,933.86 is: 7,408.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,627.46 : 12,954.15 = 4,933.86 : x
  2. Step 2: Convert to fraction form
    8,627.46/12,954.15 = 4,933.86/x
  3. Step 3: Cross multiply
    8,627.46x = 12,954.15 × 4,933.86
  4. Step 4: Simplify right side
    8,627.46x = 63,913,962.52
  5. Step 5: Solve for x
    x = 63,913,962.52/8,627.46
  6. Step 6: Final answer
    x = 7,408.20

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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.