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Finding the Fourth Proportional to 11,313.99, 16,969.10 and 3,522.20

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Solution

The fourth proportional to 11,313.99, 16,969.10 and 3,522.20 is: 5,282.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,313.99 : 16,969.10 = 3,522.20 : x
  2. Step 2: Convert to fraction form
    11,313.99/16,969.10 = 3,522.20/x
  3. Step 3: Cross multiply
    11,313.99x = 16,969.10 × 3,522.20
  4. Step 4: Simplify right side
    11,313.99x = 59,768,461.56
  5. Step 5: Solve for x
    x = 59,768,461.56/11,313.99
  6. Step 6: Final answer
    x = 5,282.70

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1.5x scale

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.