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Finding the Fourth Proportional to 7,459.73, 11,189.74 and 5,972.04

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Solution

The fourth proportional to 7,459.73, 11,189.74 and 5,972.04 is: 8,958.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,459.73 : 11,189.74 = 5,972.04 : x
  2. Step 2: Convert to fraction form
    7,459.73/11,189.74 = 5,972.04/x
  3. Step 3: Cross multiply
    7,459.73x = 11,189.74 × 5,972.04
  4. Step 4: Simplify right side
    7,459.73x = 66,825,574.87
  5. Step 5: Solve for x
    x = 66,825,574.87/7,459.73
  6. Step 6: Final answer
    x = 8,958.18

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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.