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Finding the Fourth Proportional to 32,446.80, 48,605.40 and 18,579.60

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Solution

The fourth proportional to 32,446.80, 48,605.40 and 18,579.60 is: 27,832.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,446.80 : 48,605.40 = 18,579.60 : x
  2. Step 2: Convert to fraction form
    32,446.80/48,605.40 = 18,579.60/x
  3. Step 3: Cross multiply
    32,446.80x = 48,605.40 × 18,579.60
  4. Step 4: Simplify right side
    32,446.80x = 903,068,889.84
  5. Step 5: Solve for x
    x = 903,068,889.84/32,446.80
  6. Step 6: Final answer
    x = 27,832.29

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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.