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Finding the Fourth Proportional to 75,633.57, 104,406.60 and 53,843.89

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Solution

The fourth proportional to 75,633.57, 104,406.60 and 53,843.89 is: 74,327.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,633.57 : 104,406.60 = 53,843.89 : x
  2. Step 2: Convert to fraction form
    75,633.57/104,406.60 = 53,843.89/x
  3. Step 3: Cross multiply
    75,633.57x = 104,406.60 × 53,843.89
  4. Step 4: Simplify right side
    75,633.57x = 5,621,657,485.67
  5. Step 5: Solve for x
    x = 5,621,657,485.67/75,633.57
  6. Step 6: Final answer
    x = 74,327.54

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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.