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Finding the Fourth Proportional to 33,237.78, 45,867.02 and 19,802.09

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Solution

The fourth proportional to 33,237.78, 45,867.02 and 19,802.09 is: 27,326.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,237.78 : 45,867.02 = 19,802.09 : x
  2. Step 2: Convert to fraction form
    33,237.78/45,867.02 = 19,802.09/x
  3. Step 3: Cross multiply
    33,237.78x = 45,867.02 × 19,802.09
  4. Step 4: Simplify right side
    33,237.78x = 908,262,529.73
  5. Step 5: Solve for x
    x = 908,262,529.73/33,237.78
  6. Step 6: Final answer
    x = 27,326.21

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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.