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Finding the Fourth Proportional to 8,650.68, 12,973.64 and 3,719.27

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Solution

The fourth proportional to 8,650.68, 12,973.64 and 3,719.27 is: 5,577.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,650.68 : 12,973.64 = 3,719.27 : x
  2. Step 2: Convert to fraction form
    8,650.68/12,973.64 = 3,719.27/x
  3. Step 3: Cross multiply
    8,650.68x = 12,973.64 × 3,719.27
  4. Step 4: Simplify right side
    8,650.68x = 48,252,386.58
  5. Step 5: Solve for x
    x = 48,252,386.58/8,650.68
  6. Step 6: Final answer
    x = 5,577.87

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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.