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Finding the Fourth Proportional to 14,679, 22,019.30 and 5,912.78

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Solution

The fourth proportional to 14,679, 22,019.30 and 5,912.78 is: 8,869.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,679 : 22,019.30 = 5,912.78 : x
  2. Step 2: Convert to fraction form
    14,679/22,019.30 = 5,912.78/x
  3. Step 3: Cross multiply
    14,679x = 22,019.30 × 5,912.78
  4. Step 4: Simplify right side
    14,679x = 130,195,276.65
  5. Step 5: Solve for x
    x = 130,195,276.65/14,679
  6. Step 6: Final answer
    x = 8,869.49

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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.