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Finding the Fourth Proportional to 61,857.96, 92,820.56 and 26,800.35

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Solution

The fourth proportional to 61,857.96, 92,820.56 and 26,800.35 is: 40,215.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,857.96 : 92,820.56 = 26,800.35 : x
  2. Step 2: Convert to fraction form
    61,857.96/92,820.56 = 26,800.35/x
  3. Step 3: Cross multiply
    61,857.96x = 92,820.56 × 26,800.35
  4. Step 4: Simplify right side
    61,857.96x = 2,487,623,361.19
  5. Step 5: Solve for x
    x = 2,487,623,361.19/61,857.96
  6. Step 6: Final answer
    x = 40,215.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.