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Finding the Fourth Proportional to 45,802, 63,206.76 and 25,930

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Solution

The fourth proportional to 45,802, 63,206.76 and 25,930 is: 35,783.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,802 : 63,206.76 = 25,930 : x
  2. Step 2: Convert to fraction form
    45,802/63,206.76 = 25,930/x
  3. Step 3: Cross multiply
    45,802x = 63,206.76 × 25,930
  4. Step 4: Simplify right side
    45,802x = 1,638,951,286.80
  5. Step 5: Solve for x
    x = 1,638,951,286.80/45,802
  6. Step 6: Final answer
    x = 35,783.40

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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.