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Finding the Fourth Proportional to 33,134.44, 45,713.28 and 19,706.28

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Solution

The fourth proportional to 33,134.44, 45,713.28 and 19,706.28 is: 27,187.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,134.44 : 45,713.28 = 19,706.28 : x
  2. Step 2: Convert to fraction form
    33,134.44/45,713.28 = 19,706.28/x
  3. Step 3: Cross multiply
    33,134.44x = 45,713.28 × 19,706.28
  4. Step 4: Simplify right side
    33,134.44x = 900,838,695.40
  5. Step 5: Solve for x
    x = 900,838,695.40/33,134.44
  6. Step 6: Final answer
    x = 27,187.38

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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.