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Finding the Fourth Proportional to 3,972.18, 5,958.18 and 1,050.69

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Solution

The fourth proportional to 3,972.18, 5,958.18 and 1,050.69 is: 1,576.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.18 : 5,958.18 = 1,050.69 : x
  2. Step 2: Convert to fraction form
    3,972.18/5,958.18 = 1,050.69/x
  3. Step 3: Cross multiply
    3,972.18x = 5,958.18 × 1,050.69
  4. Step 4: Simplify right side
    3,972.18x = 6,260,200.14
  5. Step 5: Solve for x
    x = 6,260,200.14/3,972.18
  6. Step 6: Final answer
    x = 1,576.01

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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.