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Finding the Fourth Proportional to 33,080.67, 45,654.84 and 19,655.19

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Solution

The fourth proportional to 33,080.67, 45,654.84 and 19,655.19 is: 27,126.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,080.67 : 45,654.84 = 19,655.19 : x
  2. Step 2: Convert to fraction form
    33,080.67/45,654.84 = 19,655.19/x
  3. Step 3: Cross multiply
    33,080.67x = 45,654.84 × 19,655.19
  4. Step 4: Simplify right side
    33,080.67x = 897,354,554.62
  5. Step 5: Solve for x
    x = 897,354,554.62/33,080.67
  6. Step 6: Final answer
    x = 27,126.25

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Double scale
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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.