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Finding the Fourth Proportional to 29,005.60, 43,540.80 and 22,460.80

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Solution

The fourth proportional to 29,005.60, 43,540.80 and 22,460.80 is: 33,716.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,005.60 : 43,540.80 = 22,460.80 : x
  2. Step 2: Convert to fraction form
    29,005.60/43,540.80 = 22,460.80/x
  3. Step 3: Cross multiply
    29,005.60x = 43,540.80 × 22,460.80
  4. Step 4: Simplify right side
    29,005.60x = 977,961,200.64
  5. Step 5: Solve for x
    x = 977,961,200.64/29,005.60
  6. Step 6: Final answer
    x = 33,716.29

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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.