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Finding the Fourth Proportional to 72,929.44, 109,357.70 and 33,452.88

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Solution

The fourth proportional to 72,929.44, 109,357.70 and 33,452.88 is: 50,162.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,929.44 : 109,357.70 = 33,452.88 : x
  2. Step 2: Convert to fraction form
    72,929.44/109,357.70 = 33,452.88/x
  3. Step 3: Cross multiply
    72,929.44x = 109,357.70 × 33,452.88
  4. Step 4: Simplify right side
    72,929.44x = 3,658,330,015.18
  5. Step 5: Solve for x
    x = 3,658,330,015.18/72,929.44
  6. Step 6: Final answer
    x = 50,162.60

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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.