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Finding the Fourth Proportional to 5,972.10, 8,958.16 and 1,812.14

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Solution

The fourth proportional to 5,972.10, 8,958.16 and 1,812.14 is: 2,718.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,972.10 : 8,958.16 = 1,812.14 : x
  2. Step 2: Convert to fraction form
    5,972.10/8,958.16 = 1,812.14/x
  3. Step 3: Cross multiply
    5,972.10x = 8,958.16 × 1,812.14
  4. Step 4: Simplify right side
    5,972.10x = 16,233,422.20
  5. Step 5: Solve for x
    x = 16,233,422.20/5,972.10
  6. Step 6: Final answer
    x = 2,718.21

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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.