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Finding the Fourth Proportional to 4,759.65, 7,134.37 and 1,984.23

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Solution

The fourth proportional to 4,759.65, 7,134.37 and 1,984.23 is: 2,974.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,759.65 : 7,134.37 = 1,984.23 : x
  2. Step 2: Convert to fraction form
    4,759.65/7,134.37 = 1,984.23/x
  3. Step 3: Cross multiply
    4,759.65x = 7,134.37 × 1,984.23
  4. Step 4: Simplify right side
    4,759.65x = 14,156,226.02
  5. Step 5: Solve for x
    x = 14,156,226.02/4,759.65
  6. Step 6: Final answer
    x = 2,974.22

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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.