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Finding the Fourth Proportional to 30,361.56, 41,896.98 and 16,932.06

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Solution

The fourth proportional to 30,361.56, 41,896.98 and 16,932.06 is: 23,365.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,361.56 : 41,896.98 = 16,932.06 : x
  2. Step 2: Convert to fraction form
    30,361.56/41,896.98 = 16,932.06/x
  3. Step 3: Cross multiply
    30,361.56x = 41,896.98 × 16,932.06
  4. Step 4: Simplify right side
    30,361.56x = 709,402,179.18
  5. Step 5: Solve for x
    x = 709,402,179.18/30,361.56
  6. Step 6: Final answer
    x = 23,365.14

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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.