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Finding the Fourth Proportional to 11,663.21, 17,477.53 and 9,597.89

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Solution

The fourth proportional to 11,663.21, 17,477.53 and 9,597.89 is: 14,382.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,663.21 : 17,477.53 = 9,597.89 : x
  2. Step 2: Convert to fraction form
    11,663.21/17,477.53 = 9,597.89/x
  3. Step 3: Cross multiply
    11,663.21x = 17,477.53 × 9,597.89
  4. Step 4: Simplify right side
    11,663.21x = 167,747,299.03
  5. Step 5: Solve for x
    x = 167,747,299.03/11,663.21
  6. Step 6: Final answer
    x = 14,382.61

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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.