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Finding the Fourth Proportional to 4,558, 6,291.66 and 2,695

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Solution

The fourth proportional to 4,558, 6,291.66 and 2,695 is: 3,720.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,558 : 6,291.66 = 2,695 : x
  2. Step 2: Convert to fraction form
    4,558/6,291.66 = 2,695/x
  3. Step 3: Cross multiply
    4,558x = 6,291.66 × 2,695
  4. Step 4: Simplify right side
    4,558x = 16,956,023.70
  5. Step 5: Solve for x
    x = 16,956,023.70/4,558
  6. Step 6: Final answer
    x = 3,720.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.