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Finding the Fourth Proportional to 4,966.92, 7,448.22 and 1,679.13

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Solution

The fourth proportional to 4,966.92, 7,448.22 and 1,679.13 is: 2,517.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,966.92 : 7,448.22 = 1,679.13 : x
  2. Step 2: Convert to fraction form
    4,966.92/7,448.22 = 1,679.13/x
  3. Step 3: Cross multiply
    4,966.92x = 7,448.22 × 1,679.13
  4. Step 4: Simplify right side
    4,966.92x = 12,506,529.65
  5. Step 5: Solve for x
    x = 12,506,529.65/4,966.92
  6. Step 6: Final answer
    x = 2,517.96

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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.