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Finding the Fourth Proportional to 33,198.76, 45,811.47 and 19,051.30

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Solution

The fourth proportional to 33,198.76, 45,811.47 and 19,051.30 is: 26,289.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,198.76 : 45,811.47 = 19,051.30 : x
  2. Step 2: Convert to fraction form
    33,198.76/45,811.47 = 19,051.30/x
  3. Step 3: Cross multiply
    33,198.76x = 45,811.47 × 19,051.30
  4. Step 4: Simplify right side
    33,198.76x = 872,768,058.41
  5. Step 5: Solve for x
    x = 872,768,058.41/33,198.76
  6. Step 6: Final answer
    x = 26,289.18

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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.