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Finding the Fourth Proportional to 33,120.44, 45,703.44 and 19,506.32

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Solution

The fourth proportional to 33,120.44, 45,703.44 and 19,506.32 is: 26,917.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,120.44 : 45,703.44 = 19,506.32 : x
  2. Step 2: Convert to fraction form
    33,120.44/45,703.44 = 19,506.32/x
  3. Step 3: Cross multiply
    33,120.44x = 45,703.44 × 19,506.32
  4. Step 4: Simplify right side
    33,120.44x = 891,505,925.74
  5. Step 5: Solve for x
    x = 891,505,925.74/33,120.44
  6. Step 6: Final answer
    x = 26,917.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.