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Finding the Fourth Proportional to 11,797.05, 17,691.51 and 4,775.31

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Solution

The fourth proportional to 11,797.05, 17,691.51 and 4,775.31 is: 7,161.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,797.05 : 17,691.51 = 4,775.31 : x
  2. Step 2: Convert to fraction form
    11,797.05/17,691.51 = 4,775.31/x
  3. Step 3: Cross multiply
    11,797.05x = 17,691.51 × 4,775.31
  4. Step 4: Simplify right side
    11,797.05x = 84,482,444.62
  5. Step 5: Solve for x
    x = 84,482,444.62/11,797.05
  6. Step 6: Final answer
    x = 7,161.32

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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.