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Finding the Fourth Proportional to 4,604.60, 6,912.18 and 3,909.08

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Solution

The fourth proportional to 4,604.60, 6,912.18 and 3,909.08 is: 5,868.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,604.60 : 6,912.18 = 3,909.08 : x
  2. Step 2: Convert to fraction form
    4,604.60/6,912.18 = 3,909.08/x
  3. Step 3: Cross multiply
    4,604.60x = 6,912.18 × 3,909.08
  4. Step 4: Simplify right side
    4,604.60x = 27,020,264.59
  5. Step 5: Solve for x
    x = 27,020,264.59/4,604.60
  6. Step 6: Final answer
    x = 5,868.10

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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.