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Finding the Fourth Proportional to 11,741, 16,202.64 and 8,759.48

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Solution

The fourth proportional to 11,741, 16,202.64 and 8,759.48 is: 12,088.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,741 : 16,202.64 = 8,759.48 : x
  2. Step 2: Convert to fraction form
    11,741/16,202.64 = 8,759.48/x
  3. Step 3: Cross multiply
    11,741x = 16,202.64 × 8,759.48
  4. Step 4: Simplify right side
    11,741x = 141,926,701.03
  5. Step 5: Solve for x
    x = 141,926,701.03/11,741
  6. Step 6: Final answer
    x = 12,088.13

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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.