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Finding the Fourth Proportional to 14,361.58, 19,812.62 and 9,576.90

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Solution

The fourth proportional to 14,361.58, 19,812.62 and 9,576.90 is: 13,211.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,361.58 : 19,812.62 = 9,576.90 : x
  2. Step 2: Convert to fraction form
    14,361.58/19,812.62 = 9,576.90/x
  3. Step 3: Cross multiply
    14,361.58x = 19,812.62 × 9,576.90
  4. Step 4: Simplify right side
    14,361.58x = 189,743,480.48
  5. Step 5: Solve for x
    x = 189,743,480.48/14,361.58
  6. Step 6: Final answer
    x = 13,211.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.