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Finding the Fourth Proportional to 4,716.18, 7,073.34 and 4,482

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Solution

The fourth proportional to 4,716.18, 7,073.34 and 4,482 is: 6,722.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,716.18 : 7,073.34 = 4,482 : x
  2. Step 2: Convert to fraction form
    4,716.18/7,073.34 = 4,482/x
  3. Step 3: Cross multiply
    4,716.18x = 7,073.34 × 4,482
  4. Step 4: Simplify right side
    4,716.18x = 31,702,709.88
  5. Step 5: Solve for x
    x = 31,702,709.88/4,716.18
  6. Step 6: Final answer
    x = 6,722.12

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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.