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Finding the Fourth Proportional to 29,114.80, 43,672.20 and 22,116.40

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Solution

The fourth proportional to 29,114.80, 43,672.20 and 22,116.40 is: 33,174.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,114.80 : 43,672.20 = 22,116.40 : x
  2. Step 2: Convert to fraction form
    29,114.80/43,672.20 = 22,116.40/x
  3. Step 3: Cross multiply
    29,114.80x = 43,672.20 × 22,116.40
  4. Step 4: Simplify right side
    29,114.80x = 965,871,844.08
  5. Step 5: Solve for x
    x = 965,871,844.08/29,114.80
  6. Step 6: Final answer
    x = 33,174.60

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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.