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Finding the Fourth Proportional to 62,250, 85,905.27 and 33,956.30

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Solution

The fourth proportional to 62,250, 85,905.27 and 33,956.30 is: 46,859.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,250 : 85,905.27 = 33,956.30 : x
  2. Step 2: Convert to fraction form
    62,250/85,905.27 = 33,956.30/x
  3. Step 3: Cross multiply
    62,250x = 85,905.27 × 33,956.30
  4. Step 4: Simplify right side
    62,250x = 2,917,024,817.51
  5. Step 5: Solve for x
    x = 2,917,024,817.51/62,250
  6. Step 6: Final answer
    x = 46,859.84

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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.