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Finding the Fourth Proportional to 28,999.60, 43,531.80 and 27,096.10

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Solution

The fourth proportional to 28,999.60, 43,531.80 and 27,096.10 is: 40,674.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,999.60 : 43,531.80 = 27,096.10 : x
  2. Step 2: Convert to fraction form
    28,999.60/43,531.80 = 27,096.10/x
  3. Step 3: Cross multiply
    28,999.60x = 43,531.80 × 27,096.10
  4. Step 4: Simplify right side
    28,999.60x = 1,179,542,005.98
  5. Step 5: Solve for x
    x = 1,179,542,005.98/28,999.60
  6. Step 6: Final answer
    x = 40,674.42

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1.5x scale

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.