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Finding the Fourth Proportional to 29,196.80, 43,766.40 and 14,393.60

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Solution

The fourth proportional to 29,196.80, 43,766.40 and 14,393.60 is: 21,576.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,196.80 : 43,766.40 = 14,393.60 : x
  2. Step 2: Convert to fraction form
    29,196.80/43,766.40 = 14,393.60/x
  3. Step 3: Cross multiply
    29,196.80x = 43,766.40 × 14,393.60
  4. Step 4: Simplify right side
    29,196.80x = 629,956,055.04
  5. Step 5: Solve for x
    x = 629,956,055.04/29,196.80
  6. Step 6: Final answer
    x = 21,576.20

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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.