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Finding the Fourth Proportional to 33,137.30, 45,712.04 and 19,698.99

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Solution

The fourth proportional to 33,137.30, 45,712.04 and 19,698.99 is: 27,174.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,137.30 : 45,712.04 = 19,698.99 : x
  2. Step 2: Convert to fraction form
    33,137.30/45,712.04 = 19,698.99/x
  3. Step 3: Cross multiply
    33,137.30x = 45,712.04 × 19,698.99
  4. Step 4: Simplify right side
    33,137.30x = 900,480,920.34
  5. Step 5: Solve for x
    x = 900,480,920.34/33,137.30
  6. Step 6: Final answer
    x = 27,174.24

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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.