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Finding the Fourth Proportional to 8,650.62, 12,975.30 and 4,941.21

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Solution

The fourth proportional to 8,650.62, 12,975.30 and 4,941.21 is: 7,411.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,650.62 : 12,975.30 = 4,941.21 : x
  2. Step 2: Convert to fraction form
    8,650.62/12,975.30 = 4,941.21/x
  3. Step 3: Cross multiply
    8,650.62x = 12,975.30 × 4,941.21
  4. Step 4: Simplify right side
    8,650.62x = 64,113,682.11
  5. Step 5: Solve for x
    x = 64,113,682.11/8,650.62
  6. Step 6: Final answer
    x = 7,411.46

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.