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Finding the Fourth Proportional to 11,691.16, 17,528.22 and 4,669.06

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Solution

The fourth proportional to 11,691.16, 17,528.22 and 4,669.06 is: 7,000.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,691.16 : 17,528.22 = 4,669.06 : x
  2. Step 2: Convert to fraction form
    11,691.16/17,528.22 = 4,669.06/x
  3. Step 3: Cross multiply
    11,691.16x = 17,528.22 × 4,669.06
  4. Step 4: Simplify right side
    11,691.16x = 81,840,310.87
  5. Step 5: Solve for x
    x = 81,840,310.87/11,691.16
  6. Step 6: Final answer
    x = 7,000.19

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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.