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Finding the Fourth Proportional to 8,606.04, 12,909.51 and 2,762.70

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Solution

The fourth proportional to 8,606.04, 12,909.51 and 2,762.70 is: 4,144.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,606.04 : 12,909.51 = 2,762.70 : x
  2. Step 2: Convert to fraction form
    8,606.04/12,909.51 = 2,762.70/x
  3. Step 3: Cross multiply
    8,606.04x = 12,909.51 × 2,762.70
  4. Step 4: Simplify right side
    8,606.04x = 35,665,103.28
  5. Step 5: Solve for x
    x = 35,665,103.28/8,606.04
  6. Step 6: Final answer
    x = 4,144.19

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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.