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Finding the Fourth Proportional to 11,690.73, 17,536.14 and 2,925.65

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Solution

The fourth proportional to 11,690.73, 17,536.14 and 2,925.65 is: 4,388.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,690.73 : 17,536.14 = 2,925.65 : x
  2. Step 2: Convert to fraction form
    11,690.73/17,536.14 = 2,925.65/x
  3. Step 3: Cross multiply
    11,690.73x = 17,536.14 × 2,925.65
  4. Step 4: Simplify right side
    11,690.73x = 51,304,607.99
  5. Step 5: Solve for x
    x = 51,304,607.99/11,690.73
  6. Step 6: Final answer
    x = 4,388.49

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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.