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Finding the Fourth Proportional to 11,598.99, 17,383.90 and 8,318.49

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Solution

The fourth proportional to 11,598.99, 17,383.90 and 8,318.49 is: 12,467.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,598.99 : 17,383.90 = 8,318.49 : x
  2. Step 2: Convert to fraction form
    11,598.99/17,383.90 = 8,318.49/x
  3. Step 3: Cross multiply
    11,598.99x = 17,383.90 × 8,318.49
  4. Step 4: Simplify right side
    11,598.99x = 144,607,798.31
  5. Step 5: Solve for x
    x = 144,607,798.31/11,598.99
  6. Step 6: Final answer
    x = 12,467.28

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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.