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Finding the Fourth Proportional to 7,601.73, 11,344.94 and 7,404.90

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Solution

The fourth proportional to 7,601.73, 11,344.94 and 7,404.90 is: 11,051.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,601.73 : 11,344.94 = 7,404.90 : x
  2. Step 2: Convert to fraction form
    7,601.73/11,344.94 = 7,404.90/x
  3. Step 3: Cross multiply
    7,601.73x = 11,344.94 × 7,404.90
  4. Step 4: Simplify right side
    7,601.73x = 84,008,109.18
  5. Step 5: Solve for x
    x = 84,008,109.18/7,601.73
  6. Step 6: Final answer
    x = 11,051.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.