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Finding the Fourth Proportional to 34,892.56, 48,153.01 and 19,991.44

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Solution

The fourth proportional to 34,892.56, 48,153.01 and 19,991.44 is: 27,588.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,892.56 : 48,153.01 = 19,991.44 : x
  2. Step 2: Convert to fraction form
    34,892.56/48,153.01 = 19,991.44/x
  3. Step 3: Cross multiply
    34,892.56x = 48,153.01 × 19,991.44
  4. Step 4: Simplify right side
    34,892.56x = 962,648,010.23
  5. Step 5: Solve for x
    x = 962,648,010.23/34,892.56
  6. Step 6: Final answer
    x = 27,588.92

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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.