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Finding the Fourth Proportional to 17,939.62, 27,077.93 and 17,939.62

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Solution

The fourth proportional to 17,939.62, 27,077.93 and 17,939.62 is: 27,077.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,939.62 : 27,077.93 = 17,939.62 : x
  2. Step 2: Convert to fraction form
    17,939.62/27,077.93 = 17,939.62/x
  3. Step 3: Cross multiply
    17,939.62x = 27,077.93 × 17,939.62
  4. Step 4: Simplify right side
    17,939.62x = 485,767,836.46
  5. Step 5: Solve for x
    x = 485,767,836.46/17,939.62
  6. Step 6: Final answer
    x = 27,077.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.