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Finding the Fourth Proportional to 13,716, 20,574 and 4,482

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Solution

The fourth proportional to 13,716, 20,574 and 4,482 is: 6,723

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,716 : 20,574 = 4,482 : x
  2. Step 2: Convert to fraction form
    13,716/20,574 = 4,482/x
  3. Step 3: Cross multiply
    13,716x = 20,574 × 4,482
  4. Step 4: Simplify right side
    13,716x = 92,212,668
  5. Step 5: Solve for x
    x = 92,212,668/13,716
  6. Step 6: Final answer
    x = 6,723

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.