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Finding the Fourth Proportional to 4,679.55, 7,017.30 and 2,338.65

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Solution

The fourth proportional to 4,679.55, 7,017.30 and 2,338.65 is: 3,506.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679.55 : 7,017.30 = 2,338.65 : x
  2. Step 2: Convert to fraction form
    4,679.55/7,017.30 = 2,338.65/x
  3. Step 3: Cross multiply
    4,679.55x = 7,017.30 × 2,338.65
  4. Step 4: Simplify right side
    4,679.55x = 16,411,008.65
  5. Step 5: Solve for x
    x = 16,411,008.65/4,679.55
  6. Step 6: Final answer
    x = 3,506.96

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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.