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Finding the Fourth Proportional to 17,812.99, 24,581.96 and 9,855.75

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Solution

The fourth proportional to 17,812.99, 24,581.96 and 9,855.75 is: 13,600.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,812.99 : 24,581.96 = 9,855.75 : x
  2. Step 2: Convert to fraction form
    17,812.99/24,581.96 = 9,855.75/x
  3. Step 3: Cross multiply
    17,812.99x = 24,581.96 × 9,855.75
  4. Step 4: Simplify right side
    17,812.99x = 242,273,652.27
  5. Step 5: Solve for x
    x = 242,273,652.27/17,812.99
  6. Step 6: Final answer
    x = 13,600.95

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1.5x scale

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.