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Finding the Fourth Proportional to 33,902.60, 50,785.80 and 19,089.32

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Solution

The fourth proportional to 33,902.60, 50,785.80 and 19,089.32 is: 28,595.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,902.60 : 50,785.80 = 19,089.32 : x
  2. Step 2: Convert to fraction form
    33,902.60/50,785.80 = 19,089.32/x
  3. Step 3: Cross multiply
    33,902.60x = 50,785.80 × 19,089.32
  4. Step 4: Simplify right side
    33,902.60x = 969,466,387.66
  5. Step 5: Solve for x
    x = 969,466,387.66/33,902.60
  6. Step 6: Final answer
    x = 28,595.64

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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.