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Finding the Fourth Proportional to 4,655.53, 6,979.04 and 4,249.72

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Solution

The fourth proportional to 4,655.53, 6,979.04 and 4,249.72 is: 6,370.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,655.53 : 6,979.04 = 4,249.72 : x
  2. Step 2: Convert to fraction form
    4,655.53/6,979.04 = 4,249.72/x
  3. Step 3: Cross multiply
    4,655.53x = 6,979.04 × 4,249.72
  4. Step 4: Simplify right side
    4,655.53x = 29,658,993.19
  5. Step 5: Solve for x
    x = 29,658,993.19/4,655.53
  6. Step 6: Final answer
    x = 6,370.70

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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.