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Finding the Fourth Proportional to 29,383.70, 44,079.60 and 10,659.20

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Solution

The fourth proportional to 29,383.70, 44,079.60 and 10,659.20 is: 15,990.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,383.70 : 44,079.60 = 10,659.20 : x
  2. Step 2: Convert to fraction form
    29,383.70/44,079.60 = 10,659.20/x
  3. Step 3: Cross multiply
    29,383.70x = 44,079.60 × 10,659.20
  4. Step 4: Simplify right side
    29,383.70x = 469,853,272.32
  5. Step 5: Solve for x
    x = 469,853,272.32/29,383.70
  6. Step 6: Final answer
    x = 15,990.27

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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.