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Finding the Fourth Proportional to 14,361.68, 21,548.08 and 6,965.60

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Solution

The fourth proportional to 14,361.68, 21,548.08 and 6,965.60 is: 10,451.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,361.68 : 21,548.08 = 6,965.60 : x
  2. Step 2: Convert to fraction form
    14,361.68/21,548.08 = 6,965.60/x
  3. Step 3: Cross multiply
    14,361.68x = 21,548.08 × 6,965.60
  4. Step 4: Simplify right side
    14,361.68x = 150,095,306.05
  5. Step 5: Solve for x
    x = 150,095,306.05/14,361.68
  6. Step 6: Final answer
    x = 10,451.10

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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.