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Finding the Fourth Proportional to 29,544.60, 40,775.48 and 18,790.48

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Solution

The fourth proportional to 29,544.60, 40,775.48 and 18,790.48 is: 25,933.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,544.60 : 40,775.48 = 18,790.48 : x
  2. Step 2: Convert to fraction form
    29,544.60/40,775.48 = 18,790.48/x
  3. Step 3: Cross multiply
    29,544.60x = 40,775.48 × 18,790.48
  4. Step 4: Simplify right side
    29,544.60x = 766,190,841.43
  5. Step 5: Solve for x
    x = 766,190,841.43/29,544.60
  6. Step 6: Final answer
    x = 25,933.36

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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.