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Finding the Fourth Proportional to 4,396.59, 6,595.97 and 1,318.59

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Solution

The fourth proportional to 4,396.59, 6,595.97 and 1,318.59 is: 1,978.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,396.59 : 6,595.97 = 1,318.59 : x
  2. Step 2: Convert to fraction form
    4,396.59/6,595.97 = 1,318.59/x
  3. Step 3: Cross multiply
    4,396.59x = 6,595.97 × 1,318.59
  4. Step 4: Simplify right side
    4,396.59x = 8,697,373.49
  5. Step 5: Solve for x
    x = 8,697,373.49/4,396.59
  6. Step 6: Final answer
    x = 1,978.21

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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.