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Finding the Fourth Proportional to 43,804.80, 65,739.60 and 29,008.80

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Solution

The fourth proportional to 43,804.80, 65,739.60 and 29,008.80 is: 43,534.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,804.80 : 65,739.60 = 29,008.80 : x
  2. Step 2: Convert to fraction form
    43,804.80/65,739.60 = 29,008.80/x
  3. Step 3: Cross multiply
    43,804.80x = 65,739.60 × 29,008.80
  4. Step 4: Simplify right side
    43,804.80x = 1,907,026,908.48
  5. Step 5: Solve for x
    x = 1,907,026,908.48/43,804.80
  6. Step 6: Final answer
    x = 43,534.66

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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.