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Finding the Fourth Proportional to 4,884.08, 7,317.72 and 4,664.72

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Solution

The fourth proportional to 4,884.08, 7,317.72 and 4,664.72 is: 6,989.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,884.08 : 7,317.72 = 4,664.72 : x
  2. Step 2: Convert to fraction form
    4,884.08/7,317.72 = 4,664.72/x
  3. Step 3: Cross multiply
    4,884.08x = 7,317.72 × 4,664.72
  4. Step 4: Simplify right side
    4,884.08x = 34,135,114.84
  5. Step 5: Solve for x
    x = 34,135,114.84/4,884.08
  6. Step 6: Final answer
    x = 6,989.06

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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.